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Anovulation clinical trials and research
As of November 12, 2026, Find a Trial lists 3 Anovulation clinical trials that are recruiting, at sites in 3 countries (most in Hong Kong (1), Brazil (1), United States (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 3Clinical trials
- 3Countries
Newest Anovulation clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Extended vs standard letrozole for ovulation induction in women with PCOS. | — | São Paulo, São Paulo | Recruiting | Sep 8, 2025 |
| Comparing two methods of sperm preparation for intrauterine insemination | — | San Francisco, California | Recruiting | Jan 20, 2023 |
| Vitamin D's effect on ovulation in women with PCOS | — | Hong Kong and 2 other locations | Recruiting | Dec 3, 2020 |
All recruiting trials (3)
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Extended vs standard letrozole for ovulation induction in women with PCOS.
This test will see if taking letrozole for 10 days helps women with PCOS ovulate and get pregnant better than the usual 5-day course.
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Comparing two methods of sperm preparation for intrauterine insemination
This study is testing which of two sperm preparation methods helps couples trying to get pregnant through intrauterine insemination achieve better pregnancy outcomes.
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Vitamin D's effect on ovulation in women with PCOS
This study tests if taking vitamin D can help women with PCOS have more regular ovulation.
Related topics
Quick answers
How many Anovulation clinical trials are recruiting right now?
3, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 3 countries. The most sites are in Hong Kong (1 trial), Brazil (1 trial), United States (1 trial). Each study page lists its sites and which ones are recruiting.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.