Commentary & Perspectives

Role of Embryo Freezing in IVF: An Explainer

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In 2021, over 80% of U.S. in vitro fertilization procedures involved the transfer of frozen embryos, potentially reducing uncertainties, delays, and costs in comparison to fresh embryos. The IVF process involves multiple stages, from stimulating the ovaries to post-implantation in the uterus. Benefits of freezing embryos include improved implantation success, fertility preservation, and the possibility of preimplantation genetic testing. The unavailability of embryo freezing in IVF would significantly impact the field, leading to the preference for single embryo transfer and reliance on less favorable alternatives, potentially affecting IVF success rates.

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