Successful pregnancy and live birth despite discontinuation of hormone replacement therapy at 3 weeks and 5 days of gestation following vitrified-warmed embryo transfer under a hormone replacement therapy cycle: a case report and literature review.

ABSTRACT:

Background

In freeze-thawed embryo transfer (FET) cycles, hormone replacement treatment (HRT) is crucial for implantation and pregnancy maintenance. HRT typically continues until the 10th week of pregnancy owing to a luteoplacental shift, although a definitive HRT regimen remains undetermined. We present the case of a woman who underwent FET during an HRT cycle and ceased HRT after a negative pregnancy test at 3 weeks and 5 days, who went on to deliver a healthy baby.

Case presentation

A 30-year-old Japanese woman with primary infertility was scheduled for FET. Estrogen supplementation was initiated as part of the HRT cycle for endometrial preparation. After achieving an endometrial thickness of 8 mm, progesterone supplementation was commenced, and the transfer of a 4BB blas

SUBMITTER: Katsumata S 

PROVIDER: S-EPMC11660545 | biostudies-literature | 2024 Dec

REPOSITORIES: biostudies-literature