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[Endometrial preparation in oocyte recipients].
V Grzegorczyk-Martin1, J-M Mayenga, O Kulski
1Service de gynécologie obstétrique et médecine de la reproduction, centre hospitalier des Quatre-Villes, site de Sèvres, 141, grande Rue, 92318 Sèvres cedex, France. veronika_grey@yahoo.fr
Gynecologie, Obstetrique & Fertilite
|August 22, 2012
Summary
Oocyte donation helps women with premature ovarian failure achieve pregnancy. Vitrification of oocytes simplifies the process, allowing for controlled endometrial preparation and fresh embryo transfers, improving success rates.
Area of Science:
- Reproductive Endocrinology
- Assisted Reproductive Technology
Context:
- Oocyte donation is a vital treatment for infertility due to premature ovarian failure.
- Traditional oocyte donation requires strict synchronization between donor stimulation and recipient preparation.
- Embryo implantation success is influenced by embryo quality, transfer technique, and endometrial receptivity.
Purpose:
- To describe the current oocyte donation protocol at the center.
- To highlight the impact of oocyte vitrification on the donation process and outcomes.
Summary:
- The center utilizes a standardized endometrial preparation protocol for oocyte recipients, mirroring that of frozen embryo transfers.
- This protocol involves estrogen and progesterone supplementation with GnRH agonist downregulation.
- The center reports good clinical pregnancy rates of approximately 35% per transfer.
Impact:
- Oocyte vitrification simplifies the donation process by enabling shorter, controlled endometrial preparation cycles.
- Vitrification allows for the transfer of fresh embryos, potentially enhancing implantation rates.
- This approach offers a more flexible and effective solution for oocyte donation recipients.
