Improved implantation and ongoing pregnancy rates after single-embryo transfer with an optimized protocol for in vitro oocyte maturation in women with polycystic ovaries and polycystic ovary syndrome

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Abstract

Objective: To describe an optimized protocol for oocyte in vitro maturation (IVM) that achieves improved implantation and ongoing pregnancy rates in women with polycystic ovaries (PCO) and polycystic ovary syndrome (PCOS). Design: Prospective cohort study. Setting: Hospital fertility unit. Patient(s): Women with PCO and PCOS undergoing treatment for infertility. Intervention(s): Follicle-stimulating hormone (FSH) priming, IVM, blastocyst culture, hormone replacement therapy. Main Outcome Measure(s): Clinical pregnancy rates. Result(s): Our optimized IVM protocol achieves implantation and ongoing pregnancy rates comparable to in vitro fertilization. From 66 oocyte collections, 844 oocytes were collected (12.8 oocytes/cycle), 588 oocytes matured after IVM (69.7% maturation rate), 420 oocytes fertilized after ICSI (71.4% fertilization rate), and 175 blastocyst-stage embryos resulted (41.7% blastocyst-development rate). Of these, 62 blastocyst-stage embryos were transferred as single embryos, resulting in 29 clinical pregnancies (43.9%/oocyte collection, 46.7%/embryo transfer) and 28 live births (42.4%/oocyte collection, 45.2%/embryo transfer). Conclusion(s): In women with PCO or PCOS, improved implantation, clinical pregnancy, and live-birth rates can be achieved after single-embryo transfer by the use of an optimized IVM protocol. © 2012 American Society for Reproductive Medicine, Published by Elsevier Inc.

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APA

Junk, S. M., & Yeap, D. (2012). Improved implantation and ongoing pregnancy rates after single-embryo transfer with an optimized protocol for in vitro oocyte maturation in women with polycystic ovaries and polycystic ovary syndrome. Fertility and Sterility, 98(4), 888–892. https://doi.org/10.1016/j.fertnstert.2012.06.055

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