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排序方式: 共有68条查询结果,搜索用时 328 毫秒
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Does First Nations ancestry modify the association between gestational diabetes and subsequent diabetes: a historical prospective cohort study among women in Manitoba,Canada
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Wen SW Rusen ID Walker M Liston R Kramer MS Baskett T Heaman M Liu S;Maternal Health Study Group Canadian Perinatal Surveillance System 《American journal of obstetrics and gynecology》2004,191(4):1263-1269
OBJECTIVE: This study was undertaken to assess the safety of trial of labor after previous cesarean delivery. STUDY DESIGN: Retrospective cohort study of 308,755 Canadian women with previous cesarean delivery between 1988 and 2000. Occurrences of in-hospital maternal death, uterine rupture, and other severe maternal morbidity were compared between women with a trial of labor and those with an elective cesarean section. RESULTS: Rates of uterine rupture (0.65%), transfusion (0.19%), and hysterectomy (0.10%) were significantly higher in the trial-of-labor group. Maternal in-hospital death rate, however, was lower in the trial-of-labor group (1.6 per 100,000) than in the elective cesarean section group (5.6 per 100,000). The association between trial of labor and uterine rupture was stronger in low volume (<500) than in high volume (> or =500 births per year) obstetric units. CONCLUSION: Trial of labor is associated with increased risk of uterine rupture, but elective cesarean section may increase the risk of maternal death. 相似文献
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Maternal mortality and severe morbidity associated with low-risk planned cesarean delivery versus planned vaginal delivery at term 总被引:3,自引:1,他引:3
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Chalmers B Dzakpasu S Heaman M Kaczorowski J Szakacs HM 《Canadian journal of public health. Revue canadienne de santé publique》2007,98(4):281-283
In 1999, the Canadian Perinatal Surveillance System of Health Canada decided to undertake a national survey of Canadian women's experiences of their pregnancy, birth and postpartum care. The challenges encountered in selecting a representative sampling frame and developing a sound methodology for conducting a survey of Canadian women at six months after birth are addressed. We considered the advantages and disadvantages of six different sampling options. A sample based on the Census emerged as the optimal approach for providing the most reliable and representative sample. 相似文献
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Marion Mossman Maureen Heaman Cindy-Lee Dennis Margaret Morris 《Journal of human lactation》2008,24(3):268-277
A prospective correlational study was conducted to examine the influence of adolescent mothers' breastfeeding attitudes and confidence on breastfeeding initiation and duration. A convenience sample of 100 pregnant adolescents who were contemplating breastfeeding completed the Breastfeeding Self-Efficacy Scale-Short Form (BSES-SF) and the Breastfeeding Attitude Questionnaire (BAQ). The BSES-SF was readministered during the first week postpartum to those adolescents who initiated breastfeeding (n=84). Adolescents who were breastfeeding at the initial contact received a follow-up contact at 4 weeks postpartum. Comparisons were made between those adolescent mothers who initiated breastfeeding (n=84) and those who did not (n=16). Significantly more mothers with higher prenatal attitude scores initiated breastfeeding. Mothers with higher prenatal breastfeeding attitude scores and higher prenatal and postnatal confidence scores were more likely to continue breastfeeding to 4 weeks postpartum. Health professionals are encouraged to develop strategies to enhance breastfeeding attitudes and confidence among adolescent mothers. 相似文献
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