Progesterone support during natural cycles for unexplained infertility
Part of Women’s health & pregnancy clinical trials.
This trial tests whether using a natural hormone (progesterone) as vaginal suppositories during the second half of your cycle can improve your chances of getting pregnant while you wait and try naturally. It is for couples with unexplained infertility and a good chance of conceiving on their own.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You have been trying to conceive for at least one year and have been diagnosed with unexplained infertility.
- You have a regular menstrual cycle (21–35 days) and a partner's sperm count of at least 10 million per ml.
- Your doctor has calculated that your chance of natural conception within the next year is 30% or higher.
- You are willing to wait at least six more months without active fertility treatment before trying other options.
- You are 18 or older, have a BMI under 45, and are not allergic to peanuts or soya.
- You do not have untreated uterine conditions (like polyps or fibroids) or a diagnosis of endometriosis.
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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