期刊
AUSTRALIAN & NEW ZEALAND JOURNAL OF OBSTETRICS & GYNAECOLOGY
卷 58, 期 5, 页码 533-538出版社
WILEY
DOI: 10.1111/ajo.12757
关键词
embryo transfer; hormone replacement therapy; live birth; pregnancy; progesterone
BackgroundThere is a lack of consensus on the optimal dose and form of progesterone supplementation during frozen-thawed embryo transfer with hormone replacement therapy. AimsWe aim to identify the serum progesterone concentration on day 16 most likely to result in positive pregnancy outcomes. Materials and methodsWe undertook a retrospective study of 4582 women who underwent frozen embryo transfer with hormone replacement therapy, or natural frozen embryo transfer, over 14years at a multi-site private in vitro fertilisation clinic. Embryos were 3-5days of age at time of transfer. We extracted data on serum progesterone concentrations and outcomes, as well as dose and form of progesterone supplementation, from patient and pharmacy records. ResultsIncreased live birth rates for frozen embryo transfer with hormone replacement therapy were seen with day 16 serum progesterone concentrations >50nmol/L (26.4% vs 11.3% for <50nmol/L; adjusted odds ratio (OR) 3.14 (95% CI 2.21-4.48)). Similarly, a decreased pregnancy loss rate was seen in this group (14.3% vs 32.6% for 50nmol/L; adjusted OR 0.26 (95% CI 0.12-0.58)). There was a positive correlation between live births and the number of progesterone doses per day (r=0.119, P=0.026) and day 16 progesterone concentrations (r=0.128, P=0.011). ConclusionImproved pregnancy outcomes are seen with day 16 serum progesterone concentrations >50nmol/L. There is a statistically significant correlation between live births, number of progesterone doses per day and day 16 serum progesterone concentrations in this study.
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