Timing changes during ovarian stimulation for IVF
Part of Women’s health & pregnancy clinical trials.
This study tests whether changing the timing of hormones during ovarian stimulation can improve IVF results for people with certain ovarian reserve levels. It may help find a stimulation approach that works better for first-time (or second) IVF cycles.
Summary written for real people, not researchers, by Clin2.
Who can take part
- Be age 18 to under 42
- Have specific egg supply levels (AFC 5–19 and AMH 1.1–2.4)
- Have a BMI between 18.5 and under 29
- Be doing your first or second IVF/ICSI cycle using an antagonist protocol, with regular periods (22–35 days)
- Have two ovaries and plan a day-3 embryo transfer (one or two days)
- Not have major health problems that prevent IVF (like uncontrolled diabetes/thyroid issues, significant anemia, serious heart/liver/kidney disease, or blood clot/stroke history)
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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