Clinical trials
Infertility clinical trials
Below are recruiting infertility clinical trials, each written for real people, not researchers. We’re tracking 262 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT07765368Enrolling by invitation
Body fat versus BMI for IVF success
This study looks at whether body fat percentage or BMI is a better predictor of IVF outcomes. It may help personalize fertility treatment plans.
Halifax, Nova ScotiaAges 21–44 - NCT02595255Recruiting
Testing a hormone marker to predict infertility risk after childhood cancer
This study looks at whether a blood test (a hormone marker) can predict a child’s future risk of infertility after cancer treatment. If it works, it could help families and doctors plan earlier fertility and puberty-related care.
Montegnée, LiègeAges 3–14 - NCT06746129RecruitingPhase 3
Comparing Day 3 vs Day 5 Embryo Transfer for IVF With Few Embryos
This trial compares transferring embryos at the cleavage stage (day 3) versus the blastocyst stage (day 5) for women who have few embryos during an IVF cycle. It may help determine which stage gives the best chance of pregnancy for people with limited embryos.
Boston, MassachusettsAges 18–44 - NCT06377917Recruiting
Testing timing of assisted hatching in IVF
This study compares two different timings for a lab procedure called assisted hatching (making a small opening in the embryo's outer shell) to see if one helps more embryos implant. You may be eligible if you're doing IVF with a frozen embryo transfer of a single screened embryo.
Marlton, New JerseyAges 18–42 - NCT06261671Recruiting
Antioxidants in embryo culture for healthier embryos
This study tests whether adding antioxidants to the liquid that embryos grow in can improve the chance of having healthy embryos with the right number of chromosomes. It is for people undergoing IVF with ICSI and embryo testing (PGT-A).
Abu Dhabi, Abu Dhabi EmirateAges 18–43 - NCT04472156Recruiting
Testing one embryo transfer after mosaic PGT results
This study follows people who have infertility and, after IVF testing (PGT), have a “mosaic” embryo result. It looks at transferring one embryo to see how this approach works when mosaic changes are present.
Lone Tree, ColoradoAges 18–45 - NCT07087171Recruiting
AI tool for patient engagement in fertility treatment
This trial tests a new AI tool designed to help patients actively participate in their own fertility care. It may benefit people starting or considering medically assisted reproduction treatments like IVF or artificial insemination.
LisbonAges 18–45 - NCT06762626Recruiting
Comparing two methods of timing a frozen embryo transfer
This trial compares a new method to time a frozen embryo transfer (using a test called ERA) with the standard method. The goal is to find the best time to transfer a high-quality embryo in women who have had multiple failed IVF attempts (recurrent implantation failure).
Hong KongAges 18–40 - NCT06629766Recruiting
Study on how father's age affects embryo growth
This study looks at how the father's age might affect the growth of embryos in the lab. It is for couples doing their first IVF cycle, planning to test embryos for genetic health before freezing them, and then transferring one healthy embryo.
Basking Ridge, New JerseyAges 18–41 - NCT06518928Recruiting
AI sperm selection for IVF with ICSI
This trial tests an artificial intelligence system that helps select the best sperm for use during IVF with ICSI. The goal is to see if this improves fertilization, embryo development, and reduces early pregnancy loss.
Las Vegas, NevadaAges Any age - NCT05978947Recruiting
Comparing two ways to prepare sperm for fertility treatments
This study compares two methods of preparing sperm for fertility treatments: a new microfluidic chip method and the standard density-gradient centrifugation method. It aims to find which method gives better sperm quality for procedures like IVF or ICSI.
Hong Kong, Hong KongAges Any age - NCT05960370Recruiting
Testing a tighter embryo placement technique in natural frozen transfers
This study looks at whether “endometrial compaction” (a technique used during frozen embryo transfer) improves pregnancy and baby outcomes. It focuses on people having a frozen transfer using embryos that test normal on genetic screening.
MadridAges 18–50 - NCT06021340Recruiting
Learning from discarded IVF materials about treatment success
This study looks at biomaterials that are normally thrown away during IVF treatment to see what they can teach us about the success of the treatment cycle. If you are getting IVF at the Chinese University of Hong Kong, you may be able to help by letting researchers study these discarded materials.
Hong KongAges 18 years+ - NCT06023602Recruiting
Generic vs. brand-name cetrorelix for IVF ovarian stimulation
This trial compares a generic version of cetrorelix acetate (a medication used to control ovulation) to the brand-name version during IVF. It aims to see if the generic works just as well for women undergoing ovarian stimulation.
Xi'an, None SelectedAges 20–42 - NCT05882188Recruiting
Test which tubal scan is more cost-effective
This study compares two ways to check whether the fallopian tubes are open during a fertility work-up. It looks at which test is more cost-effective, and it may help guide which option you use.
AmsterdamAges 18–42 - NCT05899010RecruitingPhase 3
Micronized progesterone for frozen embryo transfers
This Phase 3 study tests whether adding micronized progesterone during frozen embryo transfer cycles helps support embryo implantation and pregnancy. You may benefit if your care team is already preparing the uterus with hormone therapy for a blastocyst transfer.
BarcelonaAges 18–50 - NCT05500573Recruiting
Using sperm selection to help choose your baby’s sex
This study looks at whether selecting sperm can increase the chance of having a baby of a specific sex. It is meant for couples using fertility treatments, and it may be helpful if you are trying to conceive and want to understand sperm selection options.
New York, New YorkAges 18–89 - NCT05454046Recruiting
Food intake study during fertility treatment
This study looks at what women and men eat during common fertility treatments. The goal is to understand whether food patterns may relate to fertility treatment outcomes, which could help improve future guidance.
AalborgAges Any age - NCT04719000RecruitingPhase 4
Personalized LH addition during IVF to improve egg growth
This trial tests whether adding a personalized amount of “LH” during IVF hormone stimulation can help your ovaries respond better. It may be useful if you’ve had a weaker IVF response before and fit specific age and egg-quality markers.
BarcelonaAges 35–40 - NCT05080569RecruitingPhase 4
Extra support after IUI for couples with unclear infertility
This study tests whether adding support in the period after ovulation (the “luteal phase”) helps people who are starting IUI (intrauterine insemination) because their infertility is unexplained. It’s designed to see if the added care improves chances when mild ovarian stimulation is used.
UtrechtAges 18 years+ - NCT03048396Enrolling by invitation
Testing whether uterine transplant is accepted and workable
This trial looks at people’s acceptance and experience of receiving a uterus transplant. It may help researchers understand how to support patients considering this option, especially who are younger and have specific health requirements.
Ages 20–40 - NCT01944332Recruiting
Gamete treatment for failed fertilization in IVF or ICSI
This study looks at a treatment given to egg and sperm (gametes) when fertilization fails during standard IVF or after one ICSI attempt. If fertilization has not worked well before, this trial may test an approach to improve the chances of fertilization.
New York, New YorkAges 21–89 - NCT01219335Recruiting
Study of discarded medical materials
This study looks at discarded leftover medical materials. There are no listed eligibility limits, so it may be open to many people depending on what materials and consent are needed.
Basking Ridge, New JerseyAges 18–65 - NCT04169451Recruiting
Letrozole with IUI versus natural cycle IUI
This study compares two ways of timing intrauterine insemination (IUI)—using letrozole medicine to help schedule ovulation versus using a natural (untreated) cycle. It may help couples who are trying to conceive with mild or “unexplained” infertility see which approach works better for pregnancy chances.
Beijing, Beijing MunicipalityAges 20 years+
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Common questions
- Are there clinical trials for infertility?
- Yes. Clin2 currently lists 262 recruiting infertility studies from the U.S. registry, each rewritten for real people, not researchers, so you can see what it’s testing and who it’s for.
- How do I know if I qualify for a infertility trial?
- Each study lists its eligibility criteria — rules about age, diagnosis, and prior treatments. On every Clin2 trial page we explain these in words written for real people and offer a short, optional pre-screen for a fit read. The study team makes the final decision.
- Does it cost anything to join a infertility trial?
- Using Clin2 is always free. Many trials cover the cost of the study treatment and related visits; some reimburse travel. The study team explains exactly what’s covered before you decide.
Related conditions
Clin2 helps you find and understand clinical trials and does not provide medical advice. Study data comes from ClinicalTrials.gov. Talk with your doctor about whether a specific trial is right for you.