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1.
Sun Y Feng Y Zhang A Lu X Niu Z Gu R 《Journal of assisted reproduction and genetics》2012,29(5):417-421
Purpose
To analyze the clinical outcomes of frozen embryo transfer (FET) cycles when two or three multicellular embryos were transferred in Chinese women.Methods
A retrospective study was conducted to analyze 980 FET cycles performed between January 2007 and October 2010. Two (785 cycles) or three (195 cycles) multicellular embryos were transferred.Results
Both in patients under 35 years (n = 776) and those aged 35 to 39 years (n = 169), the transfer of two versus three multicellular embryos results in similar clinical pregnancy rates (CPR), implantation rates (IR) and live birth rates (LBR). In both age groups, the multiple pregnancy rate (MPR) was significantly higher in the three-embryo groups. Among women over 40 years of age (n = 35), there were no differences in the CPR, IR, MBR or LBR between the two groupsConclusions
Transferring two instead of three multicellular embryos in patients under 40 years old significantly decreases the risk of MPR without compromising PR, IR and LBR. In the age group above 40, transferring two instead of three multicellular embryos did not decrease PR, IR, MBR or LBR. Transferring more embryos when a patient had more unsuccessful cycles was not warranted in all patients. 相似文献2.
Purpose
To investigate whether serum Anti- Müllerian hormone (AMH) on day 3 could predict controlled ovarian stimulation and reproductive outcomes in women with polycystic ovary syndrome.Methods
A total of 164 PCOS patients undergoing their first IVF treatment cycle were prospectively included. Serum AMH levels on cycle day 3 was measured. The controlled ovarian stimulation and clinical outcomes for the study population were divided according to the <25th, 25 to 75th, or >75th percentile of serum day-3 AMH.Results
Estradiol levels on hCG day and the number of retrieved oocytes significantly increased with increasing serum AMH levels, while total consumption of gonadotropin dose showed a significant decrease (P < 0.05). Fertilization rate and the number of good quality embryos were comparable among the low, average and high groups (P > 0.05). Embryo implantation rates in the high AMH group was significantly inferior to those with low and average AMH concentration (27 versus 48.8 and 50%, P < 0.01). Clinical pregnancy rates was lower in the high AMH group than that of the low and average group (45.9 versus 65 and 66.7%, P = 0.09), but this difference was only close to statistical significance. In addition, ordinal regression analysis indicated that LH level was the only independent predictor of embryo implantation rates (P = 0.017).Conclusions
In PCOS women, AMH levels on day 3 of the IVF stimulation cycle positively predict ovarian response to gonadotrophins. However, the women with high AMH levels had a significantly decreased IR, which may be due to remarkably increased LH concentrations. 相似文献3.
Sönmezer M Özmen B Atabekoglu CS Papuccu EG Ozkavukcu S Berker B Pabuccu R 《Journal of assisted reproduction and genetics》2012,29(7):597-602
Purpose
The role of serum AMH levels in prediction of ovarian response in idiopathic hypogonadotropic hypogonadism (IHH) was evaluated.Material method(s)
Twelve patients with IHH underwent controlled ovarian hyperstimulation (COH) for IVF were enrolled in this prospective study. Serum AMH levels were studied on the 2nd or 3rd day of an induced menstrual cycle by a preceding low-dose oral contraceptive pill treatment. A fixed dose (150–300 IU/day) of hMG was given in all COH cycles. Correlations between serum AMH levels, COH outcomes and embryological data were investigated.Results
Mean serum AMH levels was 3.47 ± 2.15 ng/mL and mean serum peak estradiol was 2196 ± 1705 pg/mL. Mean number of follicles >14 mm, >17 mm on hCG day and MII oocytes were 4.14 ± 3.2, 4 ± 2.5 and 7.28 ± 3.5, respectively. Mean number of grade A embryos and transferred embryos were 3.28 ± 2.4 and 2.5 ± 0.7, respectively. The clinical pregnancy rate per patient was 41.6 % (5/12). Positive correlations were observed between serum AMH levels and MII oocytes (r = 0.84), grade A embryos (r = 0.85), serum peak estradiol levels (r = 0.87), and number of follicles >14 mm (r = 0.83) and >17 mm (r = 0.81) on hCG day, respectively.Conclusion
AMH appears as a promising marker of ovarian response in patients with IHH undergoing IVF. 相似文献4.
Vicky Moy Sangita Jindal Harry Lieman Erkan Buyuk 《Journal of assisted reproduction and genetics》2015,32(9):1305-1311
Objective
Previous studies regarding the effect of obesity on serum anti-müllerian hormone (AMH) levels have been conflicting. Our aim was to determine the effect of obesity on serum AMH levels among women from different racial backgrounds.Methods
The medical records of 350 women (159 Caucasian, 99 African-American, 58 Hispanic, 34 Asian with ages 16–46) evaluated for infertility at an academic-affiliated center and who had AMH levels measured as part of their evaluation were reviewed. Age, AMH, body mass index (BMI), self-reported race, etiology of infertility, smoking history, maximum serum early follicular follicle-stimulating hormone (FSH) levels, antral follicle count (AFC), and history of ovarian surgery, chemotherapy, or radiotherapy were recorded.Results
Age correlated negatively with AMH and antral follicle count across all races (p < 0.05). After adjusting for age, polycystic ovary syndrome diagnosis, and smoking, elevated BMI had a negative correlation with AMH in Caucasian women (β = 0.17, p = 0.01) but not in African-American, Hispanic, or Asian women.Conclusion
Elevated BMI correlates negatively with AMH in Caucasian women but not in African-American, Hispanic, or Asian women. Additional studies are needed to elucidate further the effect of race on the interaction between obesity and ovarian reserve. 相似文献5.
Rui-Qi Li Neng-Yong Ouyang Song-Bang Ou Ren-Min Ni Mei-Qi Mai Qing-Xue Zhang Dong-Zi Yang Wen-Jun Wang 《Journal of assisted reproduction and genetics》2016,33(1):33-38
Purpose
The objective of this retrospective study was to determine whether patients undergoing in vitro fertilization (IVF) benefit from reducing the gamete co-incubation time.Methods
Patients (n = 570) were enrolled, including 281 patients in the reduced incubation time group (2-h incubation) and 289 patients in the standard IVF group (18-h incubation).Results
The observed outcomes, including the clinical pregnancy rate (CPR), implantation rate (IR), live birth rate (LBR), and miscarriage rate (MR), were similar between the two groups. When the data were divided into two subgroups based on the maternal age (≤30 and >30 years), the rates of top-quality embryos (30.83 vs. 25.89 %; p = 0.028), CPR (66.67 vs. 42.11 %; p = 0.013), and IR (41.90 vs. 31.25 %, p = 0.019) of the 2-h incubation group were significantly higher in the younger subgroup. However, for older patients, only a lower MR (7.59 vs. 20.83 %; p = 0.019) was achieved. Reducing the time of incubation still improved the CPR (OR = 1.993, 95 % CI 1.141–3.480) and MR (OR = 3.173, 95 % CI 1.013–9.936) in the younger and older subgroups, respectively, after it was adjusted for potential confounders.Conclusions
Reducing incubation time improves the clinical results of IVF, although the LBR is not statistically different between the 2- and 18-h incubation time groups. And the specific clinical outcomes of reducing incubation time varied between the >30-year-old and the ≤30-year-old.Electronic supplementary material
The online version of this article (doi:10.1007/s10815-015-0618-8) contains supplementary material, which is available to authorized users. 相似文献6.
Alon Kedem Gil M. Yerushalmi Ettie Maman Rina Hemi Mirit Hanochi Ariel Hourvitz 《Journal of assisted reproduction and genetics》2013,30(6):745-751
Purpose
To assesse circulating levels of Anti-Müllerian hormone (AMH) as a predictor of oocyte number and their potential to mature in vitro in both normo-ovulatory (NO) women and in women with Polycystic Ovary Syndrome (PCOS) undergoing in vitro maturation (IVM) treatments.Methods
We prospectively studied NO women and women diagnosed with PCOS, (age range 21–39 years) underwent IVM treatments at our center. Serum AMH levels were quantified before each cycle and correlated to oocytes number, maturation and fertilization during in vitro maturation.Results
104 NO and 30 PCOS IVM cycles were followed with retrieval of a total of 672 and 491 oocytes, respectively. In NO women, the serum AMH level positively correlated with the number of oocytes retrieved, (R = 0.6; P <0.0001) the number of M2 oocytes at 24 and 48 h (R = 0.4; P <0.01; R = 0.26 p < 0.007, respectively) and with the total number of M2 oocytes (R = 0.47; P < 0.0001). In the PCOS group, the serum AMH level positively correlated only with the number of oocytes retrieved (R = 0.43; P <0.03). Receiver operating characteristic (ROC) analyses showed that a cutoff AMH level of 1.56 (ng/ml) could identify patients with 5 or more oocytes at OPU with a sensitivity of 83 % and a specificity of 75 %. An AMH level of 1.63 (ng/ml) was the threshold for 5 or more matured oocytes (sensitivity = 81 %, specificity = 53 %).Conclusions
Serum AMH may be used as a marker to identify candidates for IVM treatment in both NO and PCOS women. 相似文献7.
Lisa M. Pastore Timothy L. McMurry Christopher D. Williams Valerie L. Baker Steven L. Young 《Journal of assisted reproduction and genetics》2014,31(10):1295-1301
Purpose
We explored whether AMH, as a surrogate for oocyte supply, varies by FMR1 genotype in women diagnosed with diminished ovarian reserve (DOR), a subset of the Primary Ovarian Insufficiency phenotype. Research is inconsistent on the relationship between AMH and FMR1 repeat length, controlling for age.Method
Seventy-nine cycling women diagnosed with DOR, and without a family history of fragile X syndrome, provided blood for FMR1 and AMH testing. DOR was defined as elevated FSH and/or low AMH and/or low antral follicle count, with regular menses. FMR1 CGG repeats were stratified by the larger allele <35 repeats (n = 70) v. ≥35 repeats (n = 9). Quadratic and linear models were fit to predict log (AMH) controlling for age. The AMH sample used as the outcome variable was drawn at a later date than the diagnostic AMH.Results
Serum AMH concentration median was 0.30 ng/mL; Ages ranged from 26–43 years. A quadratic model (including age2) did not show a relationship with FMR1 CGG level (p-value = 0.25). A linear model of log (AMH), corresponding to an exponential decline of AMH with increasing age, was significantly different, and had a steeper slope, for women with ≥ 35 CGG repeats than women with < 35 repeats (p = 0.035).Conclusion
Findings suggest a greater rate of follicular loss that starts at later ages in women with DOR and ≥ 35 CGG repeats. 相似文献8.
Muñoz-Frutos J Encinas T Pallares P Torres-Rovira L Gonzalez-Añover P Gomez-Izquierdo E Sanchez-Sanchez R Gonzalez-Bulnes A 《Journal of assisted reproduction and genetics》2011,28(5):437-443
Purpose
To evaluate possible differences in follicle and oocyte developmental competence after gonadotrophin treatment in sows of obese and lean genotypes.Methods
Follicle dynamics, ovulation rate and oocyte developmental competence to embryo were compared between females, of obese (n = 7) and lean genotypes (n = 10), treated with 1,250 I.U. of eCG and 500 I.U. of hCG.Results
The obese genotype showed lower numbers of follicles growing to preovulatory stages (12.4 ± 1.8 vs 18.6 ± 1.0, P < 0.05), of corpora lutea (16.0 ± 0.9 vs 23.5 ± 0.9, P < 0.05), and of recovered oocytes/embryos (8.0 ± 1.3 vs 12.9 ± 0.9, P < 0.05). Thereafter, embryo viability rates also decreased when compared to lean genotypes (62.5 vs 77.6%, P < 0.05).Discussion
To our knowledge, this is the first study analyzing the effect of obese genotypes on the ovarian response to exogenous gonadotrophins in a non-rodent animal model, the pig. A lower efficiency of gonadotrophin treatments for stimulation of follicle development and induction of ovulation was observed. 相似文献9.
D. S. Berger A. Zapantis Z. Merhi J. Younger A. J. Polotsky S. K. Jindal 《Journal of assisted reproduction and genetics》2014,31(3):279-283
Purpose
The association between pronuclear (PN) scoring of embryos from assisted reproductive technology (ART) and clinical pregnancy remains controversial. We hypothesized that embryos with PNs scored on the day of fertilization check offer better embryo selection on day 3 and higher CPR compared to non-PN scored embryos.Methods
Patients (19–46 years) undergoing IVF/ICSI cycles at Montefiore’s Institute for Reproductive Medicine and Health between January 2006 and December 2009 were included in our study. We analyzed fresh day 3 cycles only with autologous oocytes and partner’s fresh sperm (n = 344). A total of 1,899 embryos were included. We compared CPR from non-PN scored embryos (Group 1, n = 835) with PN scored embryos (Group 2, n = 1,064). Composite scores by patient were developed based on embryo disposition. We also assessed traditional embryo grading derived from cell number, fragmentation and cell symmetry. Data analysis included chi square and t test to determine if PN scoring was associated with improved CPR, and to compare the additional variables.Results
CPR between Group 1 and Group 2 were not different (p = 0.91). CPR was significantly associated with female age, number of mature oocytes retrieved, number of day 3 embryos and grade of embryos transferred on day 3 (p < 0.05).Conclusion
PN scoring was not associated with improved CPR in day 3 embryo transfers. Mean grade of transferred embryos continues to be a well-established, independent predictor of CPR. We conclude that further refinement of embryo grading by PN scoring is not beneficial. 相似文献10.
Rubens Fadini Giovanni Coticchio Fausta Brambillasca Mario Mignini Renzini Paola V. Novara Claudio Brigante Elena De Ponti Mariabeatrice Dal Canto 《Journal of assisted reproduction and genetics》2015,32(2):255-261
Purpose
The aim of this retrospective study was to compare the competence of oocytes obtained from preovulatory and antral follicles.Methods
Mature oocytes from preovulatory follicles were retrieved from women selected for standard IVF treatment (Group A). Mature oocytes from antral follicles were recovered from women undergoing hCG-primed in vitro maturation (IVM) treatment (Group B). Patients groups were matched for age, BMI, FSH, AMH and antral follicle count (AFC) values. In vivo matured oocytes from both groups were microinjected and resulting embryos were culture and selected on day 3 for embryo transfer.Results
Oocyte pick-ups (OPU) were 315 and 204 in Groups A and B, respectively. Fertilization rates were comparable (72.8 and 75.9 %, respectively; P = 0.137). In Group A, in which the average number of embryos transferred was higher, clinical pregnancy rates per OPU (37.5 %) and embryo transfer (38.4 %) were superior in comparison to Group B (27.0 %, P = 0.013; 29.4 %, P = 0.041; respectively). On the other hand, implantation rates (Group A, 23.7 %; Group B, 20.8 %) and proportions of babies born per transferred embryo (Group A, 19.5 %; Group B, 16.9 %) were similar (P = 0.528 and 0.332, respectively).Conclusions
Overall, this suggests that oocyte competence is already achieved at the antral stage of follicle development. 相似文献11.
Carolina P. Rezende Ana L. Rocha Cynthia Dela Cruz Lavinia E. Borges Helen L. Del Puerto Fernando M. Reis 《Journal of assisted reproduction and genetics》2014,31(10):1303-1310
Purpose
This study investigated the usefulness of serum antimüllerian hormone (AMH) measurements at two distinct menstrual cycle phases to predict in vitro fertilization (IVF) outcomes.Methods
This was a prospective observational study enrolling 135 consecutive patients referred for conventional IVF or ICSI in a university hospital. Blood samples were obtained for serum AMH measurements on days 3 and 18–20, while transvaginal ultrasound was performed for antral follicle count (AFC) at day 3 of the menstrual cycle immediately before treatment. AMH was measured with the new Beckman Coulter Generation II (GenII) assay. The main outcome measures were cycle cancellation due to poor ovarian response, clinical pregnancy, and live birth.Results
There was a strong correlation between AMH levels measured at day 3 and day 18–20 of the menstrual cycle (r = 0.837; P < 0.0001). Day 18–20 serum AMH was comparable to day 3 serum AMH and AFC for the prediction of cycle cancellation (areas under the ROC curve were 0.84 for day 3 AMH, 0.89 for day 18–20 AMH, and 0.80 for AFC). Day 18–20 AMH had a modest predictive value for pregnancy or live birth (area under ROC curve 0.71 for both), which was comparable to that of day 3 AMH; however, AFC had no predictive value for these outcomes.Conclusions
Day 18–20 AMH was comparable to day 3 AMH for the prediction of cycle cancellation, clinical pregnancy, and live birth after IVF. Both AMH measurements were accurate for the prediction of cancellation but were significantly less useful for the prediction of pregnancy or live birth. 相似文献12.
Marina C. Peluffo Jon D. Hennebold Richard L. Stouffer Mary B. Zelinski 《Journal of assisted reproduction and genetics》2013,30(3):353-359
Purpose
The small antral follicles (SAFs) from the ovarian medulla can be a potential source of oocytes for infertility patients, but little is known about their ability to yield mature oocytes. This study evaluated the response of these SAFs to a stimulatory bolus of human corionic gonadotropin (hCG) in vitro.Methods
Oocyte nuclear maturation and hormone production (estradiol [E2], progesterone [P4]), antimullerian hormone [AMH]) by individual intact SAFs (n = 91; >0.5 mm; n = 5 monkeys) was evaluated after 34 h of culture in the absence (control) or presence of hCG.Results
Of the total cohort (n = 91), 49 % of SAFs contained degenerating oocytes. The percentage of healthy oocytes able to reinitiate meiosis to the metaphase I (MI) and MII was greater (p < 0.05) after hCG compared to controls. E2, P4 and AMH levels were higher (p < 0.05) in SAF cultures containing germinal vesicle (GV) oocytes compared to those with MII oocytes regardless of hCG exposure. SAF with MI oocytes produced more E2, but less (p < 0.05) P4 and AMH compared to SAFs containing GV oocytes (p < 0.05). Follicles ≥1 mm produced more (p < 0.05) E2, whereas follicle diameter did not correlate with P4 or AMH levels. Only P4 increased (p < 0.05) in response to hCG, regardless of follicle size or oocyte maturity. SAFs containing degenerating oocytes produced similar levels of E2, P4 and AMH compared to SAFs containing healthy oocytes.Conclusions
These data indicate, for the first time, that oocytes within primate SAFs can reinitiate meiosis in vitro in the absence of hCG, but nuclear maturation is enhanced in SAFs cultured with hCG. Oocyte nuclear maturation within SAFs in is associated with decreased E2, P4 and AMH levels. Furthermore, hormone content within the culture media does not necessarily reflect oocyte quality. 相似文献13.
Maya Kriseman Charity Mills Ertug Kovanci Haleh Sangi-Haghpeykar William Gibbons 《Journal of assisted reproduction and genetics》2015,32(9):1313-1316
Purpose
The purpose of this paper is to determine whether antimullerian hormone (AMH) levels were associated with BMI in patients with diagnosed infertility, and more specifically, in patients with polycystic ovarian syndrome (PCOS).Methods
A retrospective cohort study reviewed all females who presented to the clinical investigators’ practice between November 2011 and March 2013. The following data was retrieved from the medical record: (1) AMH level, (2) age, (3) BMI, (4) ethnicity, and (5) if infertile, etiology of infertility.Results
AMH levels were available for 489 women. Of these, 104 were diagnosed with PCOS. Overall, there was no association between BMI and AMH (r −0.04, p > 0.05). On the other hand, in the women with PCOS, there was a significant association between BMI and AMH (r −0.31, p < 0.01).Conclusions
BMI was not associated with AMH levels in the general population of infertile women or in patients without PCOS. However, BMI appeared to be significantly and inversely correlated with AMH in women with PCOS. 相似文献14.
Yoko Tokura Osamu Yoshino Sayaka Ogura-Nose Hiroshi Motoyama Miyuki Harada Yutaka Osuga Yasushi Shimizu Motohiro Ohara Takeshi Yorimitsu Osamu Nishii Shiro Kozuma Toshihiro Kawamura 《Journal of assisted reproduction and genetics》2013,30(6):821-825
Purpose
Although studies of serum anti-Müllerian hormone (AMH) in predicting ovarian reserve are numerous, many studies utilized patients under age 40. However, the assessment of ovarian reserve is especially critical in older infertile women. This study evaluates the significance of AMH level in patients over age 40 at the time of their first in vitro fertilization (IVF) treatment.Methods
Forty-nine women over age 40 were studied. Although serum samples were taken prior to their IVF treatments, the data of serum AMH of patients were not taken into consideration to determine the therapy strategy, including follicle induction in which clomiphene citrate and human menopausal gonadotropin were used.Result(s)
Twelve out of 49 patients achieved a clinical pregnancy (24.4 %). There was a positive correlation between serum AMH levels and the number of oocytes retrieved (P < 0.0001). The ROC curve analysis for prediction of poor ovarian response, ≤3 retrieved oocytes, showed that the optimum cut-off level was < 1.0 ng/mL for AMH. The lower AMH group (AMH < 1.0 ng/ml) showed less chance of undergoing embryo transfer than the higher AMH group (AMH ≥1.0 ng/ml). There was no difference in pregnancy rate between the two groups. Five out of 12 pregnant women exhibited AMH levels of less than 0.4 ng/ml.Conclusion(s)
Assessment of serum AMH concentration in older patients is useful for the prediction of oocytes numbers which may be obtained in IVF. A cut-off level of 1.0 ng/ml AMH can be used to predict poor ovarian response. This cut-off level of AMH of 1.0 ng/ml might be useful to predict whether patients could have an embryo transfer, but had no power to predict achieving pregnancy. On the other hand, our data also showed that patients over age 40 with extreme low levels of AMH still had a chance of pregnancy. 相似文献15.
Geraldine Schlapp Lucía Goyeneche Gabriel Fernández Alejo Menchaca Martina Crispo 《Journal of assisted reproduction and genetics》2015,32(2):271-275
Purpose
To evaluate the effect of the nonsteroidal anti-inflammatory drugs tolfenamic acid and flunixin meglumine in pregnancy rate and embryo survival of recipient mice subjected to embryo transfer.Methods
A total of 142 recipient females were transferred with 2,931 embryos and treated with a single injection of tolfenamic acid (1 mg/kg; n = 54 females with 1,129 embryos), flunixin meglumine (2.5 mg/kg; n = 46 females with 942 embryos), or bi-distilled water (10 mL/kg) as control group (n = 42 females with 860 embryos). Pregnancy was checked 2 weeks after embryo transfer, delivery was registered on the due date, and litter size was recorded on Day 7 after birth.Results
Pregnancy rate of tolfenamic acid treated females was significantly higher than flunixin group (P < 0.05) and showed a tendency to be higher when compared to the control group (P = 0.06). The number of pups born from transferred embryos in pregnant females was significantly higher for both treatment groups compared to controls (P < 0.05). Number of pups from total transferred embryos was higher for both treatment groups (P < 0.05) when compared to controls.Conclusion
The use of tolfenamic acid at the time of embryo transfer improves both pregnancy rate and number of live pups in recipient mice, with optimal effects observed with flunixin meglumine. We suggest that the use of tolfenamic acid has beneficial effects on the maintenance of pregnancy and embryo survival in recipient mice, which should be taken into account for further studies in other mammalian females. 相似文献16.
P. Piomboni R. Focarelli A. Capaldo A. Stendardi V. Cappelli A. Cianci A. La Marca A. Luddi V. De Leo 《Journal of assisted reproduction and genetics》2014,31(10):1269-1276
Purpose
The purpose of this study was to evaluate the oxidative stress status (OS) of follicular fluid (FF) and the oocyte quality in women with polycystic ovary syndrome (PCOS) undergoing different ovarian stimulation protocols.Methods
FF samples were collected after gonadotropin administration in association or not with metformin or D-chiro-inositol (DCI). OS status was then evaluated by checking the follicular fluid protein oxidation profile after specific labeling of aminoacidic free–SH groups, and two-dimensional electrophoresis followed by qualitative and semiquantitative analysis. Oocyte quality was assessed by international morphological criteria.Results
Our data indicated that both treatments, even if to different extent, recovered a significantly high level of free–SH groups in FF proteins of PCOS women clearly indicating a decrease of OS level with respect to that found in FF samples from gonadotropins alone treated women. A higher number of good quality MII oocytes was also observed in DCI (P < 0.05) or metformin (P < 0.05) study groups in comparison to untreated control group.Conclusion
A natural supplement and a drug both showed a statistically significant positive effect on follicular milieu by decreasing the oxidative damage on FF proteins, as well as in recovering good quality oocytes. 相似文献17.
Xiangwei Fu Jinmei Cheng Yunpeng Hou Shien Zhu 《Journal of assisted reproduction and genetics》2014,31(3):323-331
Purpose
The present study examined the effect of aging on female reproductive potential.Methods
Six-week-old and 9-month-old CD1 mice were referred to as the ‘young’ and ‘aged’ groups, respetively. Oocytes were collected after superovulation, and their viability were compared using parthenogenetic activation. The aneuploidy of the oocytes (MII) was assessed using chromosome spread, and the whole ovarian follicle number was counted using an unbiased stereological method. Serum hormone levels were measured using the radio-immunity method, and the expression of the Cohesin subunit genes in the oocytes (GV) were assessed using RT-PCR.Results
The mean number of recovered (25.8 vs. 16.2; P < 0.05) and live oocytes (24.0 vs. 11.73; P <0.01) per head in the young-mice group (6-week-old) was significantly higher than that of the aged group (9-month-old). The aneuploidy rate of the ovulated oocytes in the aged group was significantly higher than that of the young group (36.8 % vs. 10 %; P < 0.01), and the rate of blastocyst formation in the young group (85.23 %) was significantly higher than that of the aged group (81.2 %; P <0.05). The number of primordial follicles (the oocyte pool) per ovary in the aged group was significantly decreased compared with the young group (330 ± 33.51 vs. 2079.6 ± 420.70; P < 0.01), and the level of AMH in the aged group was significantly higher than that of the young group (4.66 ± 0.11 ng/ml vs. 4.07 ± 0.18 ng/ml; P < 0.01).Conclusions
We propose that maternal aging significantly reduces the oocyte pool, superovulation efficiency and developmental potential and increases the oocyte aneuploidy rate.Electronic supplementary material
The online version of this article (doi:10.1007/s10815-013-0160-5) contains supplementary material, which is available to authorized users. 相似文献18.
Follicular fluid protein content (FSH, LH, PG4, E2 and AMH) and polar body aneuploidy 总被引:1,自引:0,他引:1
I. Hammoud F. Vialard M. Bergere M. Albert D. Molina Gomes M. Adler L. Malagrida M. Bailly R. Wainer J. Selva 《Journal of assisted reproduction and genetics》2012,29(10):1123-1134
Purpose
Our objective was to identify a marker for oocyte aneuploidy in follicular fluid (FF) in women with an increased risk of oocyte aneuploidy after controlled ovarian hyperstimulation.Materials and methods
Three groups of oocytes were constituted for polar body screening by FISH (chromosomes 13, 16, 18, 21 and 22): Group 1, advanced maternal age (n = 156); Group 2, implantation failure (i.e. no pregnancy after the transfer of more than 10 embryos; n = 101) and Group 3, implantation failure and advanced maternal age (n = 56). FSH and other proteins were assayed in the corresponding FF samples.Results
Of the 313 oocytes assessed, 35.78 % were abnormal. We found a significant difference between the follicular FSH levels in normal oocytes and abnormal oocytes (4.85 ± 1.75 IU/L vs. 5.41 ± 2.47 IU/L, respectively; p = 0.021). We found that the greater the number of chromosomal abnormalities per oocyte (between 0 and 3), the higher the follicular FSH level.Conclusion
High FF FSH levels were associated with oocyte aneuploidy in women having undergone controlled ovarian hyperstimulation. 相似文献19.
Esti Kasterstein Deborah Strassburger Daphna Komarovsky Orna Bern Alisa Komsky Arieh Raziel Shevach Friedler Raphael Ron-El 《Journal of assisted reproduction and genetics》2013,30(8):1073-1079
Purpose
This prospective randomized study used sibling oocytes of 258 women with ≥8 oocytes to compare the effect of 5 % O2 versus 20 % O2 concentrations on embryo development and clinical outcome.Methods
Oocytes of each case were divided between incubators with either 5 % or 20 % O2 concentration. Outcome measures were fertilization, cleavage, embryo quality, blastocyst formation, and implantation, pregnancy and live birth rates.Results
Fertilization and cleavage rates were similar in both groups. The 5 % O2 group had significantly more blastomeres (P < 0.05) and more top-quality embryos on day 3 (P < 0.02), as well as significantly more available embryos for transfer (31.6 % vs. 23.1 % for the 20 % O2 group; P < 0.0001). There were significantly more cycles with good embryos in the 5 % group (76/258) than in the 20 % group (38/258) (P < 0.0001). Implantation and pregnancy rates were significantly higher for 5 % O2 embryos (P < 0.03 and P < 0.05, respectively). Live birth rates per embryo transfer were 34.2 % and 15.8 %, respectively, P < 0.05.Conclusions
Implantation, pregnancy and live birth rates are higher, and more good quality embryos are available for transfer and freezing with reduced rather than with atmospheric oxygen concentrations during embryo incubation. 相似文献20.
Michael S. Bloom Keewan Kim Pamela C. Kruger Patrick J. Parsons John G. Arnason Amy J. Steuerwald Victor Y. Fujimoto 《Journal of assisted reproduction and genetics》2012,29(12):1369-1379