Clinical trials
Pregnancy clinical trials
Below are recruiting pregnancy clinical trials, each written for real people, not researchers. We’re tracking 821 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT06468202RecruitingPhase 4
Aspirin dose study to prevent high blood pressure in pregnancy
This trial compares two doses of aspirin to see which is better at preventing conditions like preeclampsia (a serious form of high blood pressure during pregnancy). You may qualify if you are in early pregnancy and have certain risk factors.
Birmingham, AlabamaAges 14–35 - NCT04520048Recruiting
Blood vessel tests to predict preeclampsia worsening in pregnancy
This study measures blood vessel–related markers in pregnant people who already have high blood pressure or early preeclampsia. The goal is to predict who is more likely to get worse, so care can be better targeted.
Bobigny, Seine Saint DenisAges 18–40 - NCT06427408Recruiting
Placenta Gene Study in Early and Full-Term Pregnancy
This study looks at gene activity in the placenta during early and full-term pregnancy. It may help researchers understand how the placenta works and how it affects both mother and baby.
Paris, IDFAges 18–50 - NCT06408181RecruitingPhase 3
Aspirin to prevent pregnancy loss and preeclampsia
This study tests whether taking a low dose of aspirin early in pregnancy can lower the risk of losing the baby or developing preeclampsia (a serious condition with high blood pressure). It is for women who have risk factors for these problems and are very early in pregnancy (less than 7 weeks).
Philadelphia, PennsylvaniaAges 18–45 - NCT04521972Recruiting
Testing how room light affects labor and uterine contractions
This study looks at whether changing the light you’re exposed to (using blue-filter glasses and adjusting lighting) changes uterine contractions and how labor progresses. You’d also track your lighting and use a home monitor that measures contraction activity.
East Lansing, MichiganAges 18–42 - NCT06397794Recruiting
Pregnancy and parenting with Lyme disease study
This study explores the experiences of people who had Lyme disease during pregnancy or had ongoing Lyme symptoms throughout their pregnancy. By sharing your story in a recorded interview, you can help doctors and researchers better support parents with Lyme disease.
Washington D.C., District of ColumbiaAges 18 years+ - NCT06367465Recruiting
Hepatitis C treatment during pregnancy
This study tests whether treating hepatitis C during pregnancy is feasible and acceptable for pregnant women who have a history of drug use. If you qualify, you may receive treatment that could help protect your health and your baby's health.
St Louis, MissouriAges 18 years+ - NCT06299748Recruiting
Efgartigimod safety study for pregnancy and breastfeeding
This study is for women who have taken efgartigimod (a medicine for certain autoimmune conditions) right before or during pregnancy, or while breastfeeding. Researchers will monitor moms, fetuses, and babies to check for side effects and ensure safety.
Morgantown, West VirginiaAges Any age - NCT06312644Recruiting
Study of Ultomiris safety during pregnancy
This study looks at the safety of the medication Ultomiris when taken during pregnancy or breastfeeding. If you are pregnant and currently taking Ultomiris for an approved condition, this research will help gather information on how it affects you and your baby.
Boston, MassachusettsAges Any age - NCT06314009Recruiting
Placental MRI Study for Healthy Pregnancies
This research study uses a special MRI (magnetic resonance imaging) to look at blood flow in the placenta during pregnancy. The goal is to learn more about how the placenta works and find new ways to check on the health of both mom and baby.
Evanston, IllinoisAges 18–60 - NCT06311617Recruiting
Eye Blood Vessel Changes During Pregnancy
This observational study monitors changes in the blood vessels of your retina (the light-sensitive tissue at the back of the eye) during pregnancy. Researchers want to see how pregnancy affects the eyes, which might help better understand overall health.
Nashville, TennesseeAges 18 years+ - NCT05510622Recruiting
Uterine microbiome study for recurrent pregnancy loss
This study looks at the normal bacteria and other microorganisms in the uterus to better understand recurrent pregnancy loss. You may be in a group with recurrent pregnancy loss or in a comparison group without pregnancy loss, and you’ll be asked to meet specific health and timing rules for samples.
Ho Chi Minh City, Ho Chi Minh CityAges 18–38 - NCT06284278Recruiting
Telehealth exercise for postpartum pelvic pain
This study compares two types of exercise done at home through telehealth sessions to see which better reduces pelvic pain after pregnancy. It may help you if you have ongoing pain in your lower back or pelvic area that started during pregnancy or after childbirth.
Tainan, TaiwanAges 20–65 - NCT06259669Recruiting
Studying eczema cream safety during pregnancy
This study compares the health of mothers and their babies in two groups: women with eczema who used ruxolitinib cream during pregnancy and those who did not. It aims to see if the cream is safe for both mother and child.
Morrisville, North CarolinaAges 15–50 - NCT06234332Recruiting
Peking University Birth Cohort in Weifang
This study follows pregnant women and their families in Weifang to learn about health during pregnancy, birth, and early childhood. If you join, you, your husband, and your baby will be part of a long-term research project that tracks your health and development.
Beijing, Beijing MunicipalityAges 18 years+ - NCT06182878Recruiting
Supportive care for recurrent pregnancy loss
This study explores a new supportive care program for people who have had multiple pregnancy losses and are pregnant again. It aims to see if extra attention and care can help reduce the risk of another loss.
Bethesda, MarylandAges 18–44 - NCT05939700Recruiting
Watching infants after mavacamten use in pregnancy
This study follows people who took mavacamten during pregnancy or breastfeeding to better understand infant outcomes. It may help doctors and families know what to expect and improve safety guidance.
Wilmington, North CarolinaAges 15 years+ - NCT06014983Recruiting
Comparing two iron supplements in pregnancy
This study compares two forms of iron supplements to see which works better and has fewer side effects in pregnancy. If you are a healthy pregnant person in the Vancouver area, you may be able to help find the best way to prevent iron deficiency.
Vancouver, British ColumbiaAges 19–42 - NCT06008561Recruiting
Midwest birth study for Indigenous American pregnancies
This study looks at birth outcomes for Indigenous American pregnant people. It aims to understand factors that affect pregnancy and baby health in this community.
Fargo, North DakotaAges 18 years+ - NCT06004674RecruitingPhase 2
Placenta study to prevent repeat pregnancy complications
This trial tests whether a blood-thinning medication (enoxaparin) can help prevent complications like preterm birth or preeclampsia from happening again. It is for people who had a past pregnancy problem tied to placenta blood flow issues.
Evanston, IllinoisAges 18–60 - NCT06026969Recruiting
Study on Lyme disease and baby development after pregnancy exposure
This study looks at how Lyme disease during pregnancy might affect a baby's development. It involves questionnaires and possibly an MRI of the baby's brain, done at a visit or remotely.
Washington D.C., District of ColumbiaAges 18 years+ - NCT05989581RecruitingPhase 1
High blood pressure in early pregnancy treatment study
This study tests whether treating mild high blood pressure early in pregnancy (before 20 weeks) can improve outcomes for you and your baby. It compares taking medication versus monitoring without medication.
Birmingham, AlabamaAges 14–89 - NCT05999851Recruiting
Maternal blood vessel health in pregnancy
This study looks at how well your blood vessels work during pregnancy to help predict high blood pressure disorders. If you join, you will have extra monitoring and blood tests.
BolognaAges 18–65 - NCT05947916Recruiting
Continuous glucose monitor for type 2 diabetes in pregnancy
This trial tests whether a continuous glucose monitor can help women with type 2 diabetes who are pregnant and need insulin therapy. It aims to improve blood sugar control and pregnancy outcomes.
Beijing, Beijing MunicipalityAges 18–40
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Common questions
- Are there clinical trials for pregnancy?
- Yes. Clin2 currently lists 821 recruiting pregnancy 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 pregnancy 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 pregnancy 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.