Endocrinology: Follicle cyst formation after administration of different gonadotrophin-releasing hormone analogues for assisted reproduction |
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Authors: | Tarlatzis BC; Bili H; Bontis J; Lagos S; Vatev I; Mantalenakis S |
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Institution: | 11st Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki Thessaloniki, Greece
2IVF Centre Geniki Kliniki Thessaloniki, Greece
42nd Department of Obstetrics and Gynaecology, Aristotle University of Thessaloniki Thessaloniki, Greece |
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Abstract: | The aim of this study was to examine the occurence of ovariancysts during the administration of three different gonadotrophin-releasinghormone analogues (GnRHa) in the long protocol as well as theircharacteristics, management and outcome compared with patientswith no cyst formation. A total of 172 in-vitro fertilization(IVF) cycles in which GnRHa was administered at menstruationwere analysed. Group B consisted of 72 cycles in which buserelinwas used. Of these, 10 (13.9%) were with cysts (group B1) and62 (86.1%) without cysts (group B2). Group T included 49 cyclesin which triptorelin was injected. Of these, seven (14.2%) werewith cysts (group T1) and 42 (85.7%) without cysts (group T2).Group L comprised 51 cycles in which leuprolide was administered.Of these, eight (15.7%) were with cysts (group L1) and 43 (84.3%)without cysts (group L2). All women with ovarian cysts had higherserum oestradiol concentrations and all except five underwentcyst aspiration with no complication. No differences were observedin the number of follicles and oocytes between groups B, T andL or between the groups with cysts and those without cysts.The pregnancy rate was similar in all groups. In conclusion,follicle cyst formation does not seem to be related to the useof a specific GnRHa, its short- or long-acting form or to themode of administration. In addition, follicle cyst aspirationis a safe and successful solution to the problem of functionallyactive ovarian cysts. |
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Keywords: | buserelin/follicle cysts/GnRH analogues/leuprolide/triptorelin |
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