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Infertility clinical trials recruiting in the U.S.
42 studies for Infertility are recruiting participants at sites across the United States.
Infertility is when a woman can't get pregnant after a year or keeps having miscarriages. Read about infertility, its causes, and treatments.
Cities with the most studies
- New York City, NY6 studies
- Edison, NJ5 studies
- Houston, TX4 studies
- Boston, MA4 studies
- Germantown, MD4 studies
- Pittsburgh, PA3 studies
- Arlington, TX3 studies
- Aurora, CO3 studies
- Washington, DC3 studies
By state
- California4 studies
- Colorado5 studies
- Maryland6 studies
- Massachusetts5 studies
- New Jersey7 studies
- New York6 studies
- North Carolina3 studies
- Pennsylvania3 studies
- Texas8 studies
Recently updated studies
Fertilo In Vitro Research Study and Trial
RecruitingPhase 3Healthy volunteers welcome
Ages 18 to 35 ยท Women ยท Updated Sep 29, 2026 ยท NCT06858111Human Menopausal Gonadotropin Research in Infertility Assessing Cumulative Live Birth With Frozen Embryo Transfer.
RecruitingPhase 3
Ages 18 to 42 ยท Women ยท Updated Sep 24, 2026 ยท NCT07216742Biorepository in Participants Who Undergo OTC for Gonadotoxic Therapy
RecruitingObservational study
Ages 4 to 35 ยท Women ยท Updated Sep 16, 2026 ยท NCT05440617Sperm Preparation Prior to Intrauterine Insemination Study
Recruiting
Ages 18 and older ยท All sexes ยท Updated Sep 15, 2026 ยท NCT05693220Hormone-free Antral Retrieval for Viable Embryo Storage & Transfer
Recruiting
Ages 18 to 35 ยท Women ยท Updated Sep 9, 2026 ยท NCT07801105Non-Euploid Embryo Transfer (NEET) Registry
RecruitingObservational study
All ages ยท Women ยท Updated Aug 14, 2026 ยท NCT07036536The Hysterosalpingogram (HSG) Experience And Tubal Spasm (HEAT) Study
RecruitingEarly phase 1
Ages 18 to 45 ยท Women ยท Updated Jul 30, 2026 ยท NCT07226310Inherited Reproductive Disorders
RecruitingObservational study
6 Weeks โ 120 Years ยท All sexes ยท Updated Jul 28, 2026 ยท NCT01500447Convergent Mechanisms Underlying Reprometabolic Syndrome in Women
RecruitingPhase 2Healthy volunteers welcome
Ages 18 to 38 ยท Women ยท Updated Jul 21, 2026 ยท NCT06686537GnRH for Luteal Support in IVF/ICSI/FET Cycles
RecruitingPhase 4
Ages 18 to 40 ยท Women ยท Updated Jul 9, 2026 ยท NCT02357654Uterine Transplant in Absolute Uterine Infertility (AUIF)
RecruitingPhase 2/3
Ages 18 to 40 ยท Women ยท Updated Jul 6, 2026 ยท NCT02741102IntelliWell: An AI-Assisted Imaging Platform for Detection and Location of Ultra-Rare Testicular Sperm in Surgical Specimens
Recruiting
Ages 18 and older ยท Men ยท Updated Jun 22, 2026 ยท NCT07074015Fertility Preservation Using Tamoxifen and Letrozole in Estrogen Sensitive Tumors Trial
RecruitingPhase 3
Ages 18 to 50 ยท Women ยท Updated Jun 4, 2026 ยท NCT03011684Quantifying Uterine Elastography in Menstruating Women
RecruitingObservational studyHealthy volunteers welcome
Ages 18 to 45 ยท Women ยท Updated Jun 3, 2026 ยท NCT06816381The EPIC Study: Exploring Paternal Age and the Influence on Blastocyst Culture
Recruiting
Ages 18 to 41 ยท Women ยท Updated Jun 3, 2026 ยท NCT06629766Investigating Micro-Manipulation Procedures for Assisted Hatching Timing
Recruiting
Ages 18 to 42 ยท Women ยท Updated Jun 3, 2026 ยท NCT06377917Discarded Materials Study
RecruitingObservational studyHealthy volunteers welcome
Ages 18 to 65 ยท All sexes ยท Updated Jun 3, 2026 ยท NCT01219335Male Infertility and Assisted Reproductive Technologies Research Biobank
RecruitingObservational study
All ages ยท Men ยท Updated Jun 2, 2026 ยท NCT06880302Sex Selection of Human Spermatozoa
RecruitingHealthy volunteers welcome
Ages 18 to 89 ยท All sexes ยท Updated May 29, 2026 ยท NCT05500573Uterine Transplant for Women With Absolute Uterine Factor Infertility (AUFI)
Recruiting
Ages 20 to 65 ยท Women ยท Updated Apr 29, 2026 ยท NCT05263076Testicular Tissue Cryopreservation for Fertility Preservation
Recruiting
All ages ยท Men ยท Updated Apr 22, 2026 ยท NCT02972801Frame Support Study
Recruiting
Ages 22 to 44 ยท Women ยท Updated Apr 15, 2026 ยท NCT07083700Cleavage-stage Versus Blastocyst-stage Embryo Transfer in IVF Patients With Few Embryos
RecruitingPhase 3
Ages 18 to 44 ยท Women ยท Updated Apr 2, 2026 ยท NCT06746129HELIOS Advanced: Human Oocyte Illumination to Enhance Development
RecruitingHealthy volunteers welcome
Ages 18 to 48 ยท Women ยท Updated Mar 25, 2026 ยท NCT07425080Identifying Genome Variants in Non-Obstructive Azoospermia (NOA) or Primary Ovarian Insufficiency (POI)
RecruitingObservational study
Ages 18 to 100 ยท All sexes ยท Updated Mar 16, 2026 ยท NCT07357701From ClinicalTrials.gov, data retrieved Sep 30, 2026. Each study sets its own eligibility; the study team decides who can join.