Micronized progesterone for frozen embryo transfers
Treatments studied
Part of Women’s health & pregnancy clinical trials.
This Phase 3 study tests whether adding micronized progesterone during frozen embryo transfer cycles helps support embryo implantation and pregnancy. You may benefit if your care team is already preparing the uterus with hormone therapy for a blastocyst transfer.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are 18–43 after your own (autologous) IVF cycle, or under 50 after an egg donation cycle.
- Your cycle will use hormone replacement (hormones to prepare the uterus) and involve a blastocyst embryo transfer.
- Your BMI is between 18 and 30 kg/m².
- You have no major uterine conditions like fibroids/polyp growth inside the uterus or known genital tract structure differences.
- You can attend the clinic for blood tests, visits, and to pick up study medication.
- You are not pregnant or breastfeeding, and you can safely take hormone treatment (no contraindications).
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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This study compares two forms of vaginal progesterone used to prepare the uterus for a frozen embryo transfer (FET). It may be a good option if you are already prescribed one of these progesterone regimens and are planning a single embryo transfer.
This study looks at whether the level of progesterone, a hormone that helps prepare the uterus for pregnancy, on the day of embryo transfer affects the chance of a successful pregnancy in women using frozen embryos. It may help doctors understand if adjusting progesterone could improve outcomes.
This trial compares two ways of timing progesterone support for frozen embryo transfer in women with regular cycles. It aims to find which approach gives the best chance of pregnancy.
This trial tests whether giving extra progesterone injections after an embryo transfer can improve pregnancy outcomes for women who have low progesterone levels. It may help support the pregnancy in its early stages.
This study tests how hormone levels (progesterone) change day to day in the lining of the uterus (endometrium) during an embryo transfer in a medicated cycle. The goal is to better time the transfer and improve success rates.
This study looks at how progesterone levels around the time of a frozen embryo transfer might affect the chance of a successful pregnancy. Participants will have their transfer done as usual, and researchers will measure progesterone levels to see if they relate to pregnancy outcomes.
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