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Clinical Trial Summary

Hormonal monitoring impact on overall pregnancy rate in frozen embryo transfer (FET)cycles and hence progesterone supplement adjustments remain debatable in current literature. This prospective randomized study aims to investigate the effect of monitoring and follow-up of serum progesterone, estradiol & luteinizing hormone (LH) levels and progesterone supplement adjustments on pregnancy outcomes for FET in programmed hormonal replacement therapy cycles in comparison with ultrasound only in control group


Clinical Trial Description

Progesterone (P4) is a steroidal hormone that is required for successful embryo implantation and maintenance of the pregnancy in natural cycles, fresh in vitro fertilization cycles, and frozen embryo transfer (FET) cycles. Women undergoing FET in programmed cycle are unable to provide adequate endogenous P4 and require progesterone supplementation to initiate and maintain the secretory endometrium and pregnancy. There has been previous research into luteal phase support in frozen cycles, which has demonstrated that supplementation of progesterone does impact outcome in FET. Despite this evidence for the role of progesterone, there is surprisingly little data on the optimal values for serum P4 during the luteal phase and specifically on the day of embryo transfer in frozen cycles. Following years of a prevalent belief that the higher values of P4 are better, it seems that there may be an optimal window for P4 values during the luteal phase in bovine IVF. Though progesterone levels on the day of transfer have not yet been studied extensively in humans, tailoring the time of transferring a frozen embryo based on serial P4 values rather than cycle day number alone results in higher pregnancy rates. By direct action on the endometrium, a rise of LH might interfere with endometrial receptivity during a FET cycle, in which no pituitary suppression is used. The significance of LH level on the day before addition of progesterone is not yet well defined. The aim of this study is to investigate the effect of monitoring and follow-up of serum progesterone, estradiol & luteinizing hormone levels on day of embryo transfer on pregnancy outcomes for FET in programmed HRT cycles in comparison with ultrasound only in control group and to evaluate the effect of progesterone supplements adjustments depending on serum progesterone levels on day of FET in affecting clinical pregnancy rate. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT05189145
Study type Interventional
Source Alexandria University
Contact
Status Completed
Phase N/A
Start date October 1, 2019
Completion date October 1, 2021

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