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Oral Contraceptive Pill Pretreatment in Polycystic Ovary Syndrome Patients Undergoing IVF/ICSI Using the Gonadotrophin Releasing Hormone Antagonist Protocol (A Randomized Controlled Trial)
700 women with PCOS undergoing IVF/ICSI using flexible GnRH antagonist protocol, were included in the study, and randomized to either OCP pretreatment (n = 350), or no pretreatment (n = 350). The latter group received OCP pretreatment in the form of 30µg ethinyl estradiol / 3mg drospirenone (Yasmin®...
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Published in: | QJM : An International Journal of Medicine 2023-08, Vol.116 (Supplement_1) |
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Main Authors: | , , , , |
Format: | Article |
Language: | English |
Online Access: | Get full text |
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Summary: | 700 women with PCOS undergoing IVF/ICSI using flexible GnRH antagonist protocol, were included in the study, and randomized to either OCP pretreatment (n = 350), or no pretreatment (n = 350). The latter group received OCP pretreatment in the form of 30µg ethinyl estradiol / 3mg drospirenone (Yasmin®, Bayer AG, Berlin, Germany) pills for an interval of 21 to 28 days; after which COH was started following a 5-day pill wash-out period.
OCP-pretreated PCOS women had more retrieved oocytes, albeit, on the expense of increased gonadotropin consumption. However, this increased oocyte yield did not translate to a significant effect on conception rates among intended-to-treat PCOS woman receiving OCP pretreatment. Conversely, it shifted among OCP-pretreated women who actually started COH cycle, to a significant 18% reduction in the probability of successful pregnancy. |
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ISSN: | 1460-2725 1460-2393 |
DOI: | 10.1093/qjmed/hcad069.551 |