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Fertilization in Vitro clinical trials and research
As of November 12, 2026, Find a Trial lists 4 Fertilization in Vitro clinical trials that are recruiting, at sites in 5 countries (most in Turkey (Türkiye) (1), Israel (1), France (1)). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 4Clinical trials
- 5Countries
Newest Fertilization in Vitro clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Comparing ICSI versus conventional IVF using frozen third‑party donor sperm | — | Rockville, Maryland | Recruiting | Sep 16, 2025 |
| Best follicle size for triggering ovulation in women 35+ with low ovarian reserve (POSEIDON Group 4) | — | Ankara, Ankara | Recruiting | May 29, 2024 |
| Early transfer of culture medium before embryo transfer | — | Clamart and 6 other locations | Recruiting | Dec 20, 2023 |
| Investigating the impact of sexual intercourse on embryo transfer outcomes | — | Ramat Gan | Recruiting | Nov 18, 2023 |
All recruiting trials (4)
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Comparing ICSI versus conventional IVF using frozen third‑party donor sperm
This trial tests whether injecting sperm into eggs (ICSI) or mixing eggs with frozen donor sperm (conventional IVF) makes more and better embryos for people using frozen donor sperm without male‑factor infertility.
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Best follicle size for triggering ovulation in women 35+ with low ovarian reserve (POSEIDON Group 4)
This study will see if triggering ovulation when follicles measure 13–16 mm rather than waiting until >17 mm yields more mature eggs for women 35 and older with low ovarian reserve undergoing IVF.
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Early transfer of culture medium before embryo transfer
This study is testing if putting a special fluid in the uterus before transferring frozen embryos can help women who have had trouble getting pregnant in the past.
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Investigating the impact of sexual intercourse on embryo transfer outcomes
This study is testing if having sex the night after a frozen embryo transfer helps improve the chances of pregnancy for women undergoing this procedure.
Related topics
Quick answers
How many Fertilization in Vitro clinical trials are recruiting right now?
4, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 5 countries. The most sites are in Turkey (Türkiye) (1 trial), Israel (1 trial), France (1 trial), Reunion (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.