Clinical trials
Pregnancy clinical trials
Below are recruiting pregnancy clinical trials, each written for real people, not researchers. We’re tracking 843 recruiting studies, each written for real people, not researchers, below.
Recruiting studies
- NCT02321007Recruiting
Study placenta function in healthy and pregnancy complications
This study examines how the placenta works in normal pregnancies and in pregnancies with certain complications. Your answers and pregnancy information may help researchers understand why complications like growth problems or preterm birth happen.
Aurora, ColoradoAges 18–45 - NCT02171845Recruiting
Study of how the body controls DNA “jumping genes” before birth
This study looks at how the body stops “jumping genes” (transposons) during fetal development, specifically in male fetuses. Families may be able to participate if the fetus is obtained from a planned pregnancy termination and meets the timing and screening requirements.
DijonAges 2 months–9 months - NCT07297394Recruiting
How the immune system supports early pregnancy
This study looks at how the immune system helps the body accept a pregnancy. It involves blood samples from people who are pregnant or going through IVF/ICSI, or who have had a miscarriage.
BaselAges 18 years+ - NCT07293793Enrolling by invitation
Pregnancy-safe skin care expert guidelines
This trial asks expert skin doctors to help create guidelines for safe skin care during pregnancy. It uses a Delphi method to reach a group agreement on the best practices.
CairoAges 25 years+ - NCT07608094Recruiting
Cesarean Scar Pregnancy Treatment Outcomes Study
This study looks at the best ways to treat cesarean scar pregnancies—a rare condition where a pregnancy develops in the scar tissue from a previous cesarean delivery. Researchers will track how different treatments work and help improve care for women with this condition.
Hangzhou, ZhejiangAges 18 years+ - NCT07270640Recruiting
Lifestyle program for better twin pregnancy outcomes
This study tests whether a lifestyle program (diet and exercise guidance) can improve pregnancy outcomes for women carrying twins. It may help you have a healthier pregnancy and reduce complications.
BrusselsAges 18 years+ - NCT07685158Recruiting
Pregnancy in a prior c-section scar study
This study looks at women who have a pregnancy located in the scar from a past cesarean section. It aims to see how the type of scar pregnancy relates to the number of previous c-sections.
SohagAges Any age - NCT05084339Recruiting
Study blood sugar and pregnancy outcomes after weight-loss surgery
This study looks at how blood sugar and related markers change during pregnancy after weight-loss surgery (gastric bypass or sleeve). It also compares pregnancy outcomes, to help understand what to expect and how to monitor you during pregnancy.
AalstAges 18–45 - NCT05973552Recruiting
Study iron absorption in early pregnancy and breastfeeding
This study looks at how your body absorbs iron during early pregnancy and after birth. The results may help researchers understand iron needs and how iron levels change, which could support healthier pregnancy and breastfeeding outcomes.
MsambweniAges 18–45 - NCT07124325Recruiting
Home baby heart monitoring for high-risk pregnancy
This trial lets you monitor your baby's heartbeat at home with a simple device instead of coming to the hospital each time. It's for women with certain high-risk pregnancy conditions who are 32 weeks or more along.
BirminghamAges 18 years+ - NCT07437248Recruiting
Leucine needs during pregnancy study
This study looks at how much leucine (a building block of protein) pregnant women need in early versus late pregnancy. It could help improve nutrition advice for expecting mothers.
Vancouver, British ColumbiaAges 20–40 - NCT05403632Recruiting
Mediterranean diet during pregnancy to support baby development
This study looks at whether eating a Mediterranean-style diet during early pregnancy can support healthy development of the baby. You may be able to join if you’re in your first trimester and willing to deliver at the study hospital units.
Agropoli, SAAges 18–50 - 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+ - NCT06957028Recruiting
CGM for early detection of high blood sugar in pregnancy
This study is testing whether wearing a continuous glucose monitor (CGM) early in pregnancy can help find and manage high blood sugar, which may lower the risk of problems for you and your baby. You would wear a small sensor under your skin, and the device sends information to a smartphone app.
Birmingham, AlabamaAges 18 years+ - NCT05694780Recruiting
Sleep health care during early pregnancy
This study tests a sleep-focused care plan for people in the first trimester of a singleton pregnancy. It may help improve sleep habits and overall comfort during pregnancy.
Taipei, TaipeiAges 20–45 - NCT06297005Recruiting
E-cigarette use in pregnancy and child health study
This study looks at how using e-cigarettes during pregnancy might affect children's health. If you are pregnant, smoke or vape, or are a non-smoker, you may be able to join and help us learn more.
DublinAges 18–46 - NCT07428226Recruiting
Bile acid tests in pregnancy with liver issues
This study looks at bile acid levels in pregnant women who have intrahepatic cholestasis of pregnancy (ICP), a liver condition that causes itching and can affect the baby. It also includes two control groups: healthy pregnant women and healthy non-pregnant women for comparison.
Jena, ThuringiaAges 18–45 - NCT05793944Recruiting
Text-message program to support healthy habits during pregnancy
This study tests whether a free text-message coaching program can help pregnant people choose healthier behaviors during pregnancy. You may be invited to answer online surveys if you match the pregnancy timing and location rules.
Vancouver, British ColumbiaAges 15 years+ - NCT07376616Recruiting
Heart health study during pregnancy and after birth
This study looks at how the heart adapts during pregnancy and the months after giving birth. It uses simple tests to measure heart rate and blood flow, which may help doctors better understand normal changes and identify risks early.
Vigo, PontevedraAges 18 years+ - NCT05929586Recruiting
Tracking pregnancies using digital links to boost prenatal visits
This study helps connect health and appointment data to better track pregnancies and improve how often women attend antenatal (prenatal) clinic visits. If you live in the study area and are currently pregnant or within six weeks after delivery, you may be eligible to participate.
Homa BayAges Any age - NCT07364032Recruiting
Mindfulness program vs standard care during pregnancy
This trial compares a mindfulness-based program to standard pregnancy care to see if mindfulness helps improve well-being. You would be randomly assigned to either group and attend sessions or continue with your usual care.
Mouans-SartouxAges 18–45 - NCT07296562Enrolling by invitation
Expert opinions on supplements during pregnancy
This trial gathers expert opinions from doctors and nutritionists to create guidelines on using supplements during pregnancy. It may help shape future recommendations for prenatal nutrition.
CairoAges 25 years+ - 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+ - NCT05761769Recruiting
Twin pregnancy study to support patients and families
This study looks at twin pregnancies with two or more babies that are progressing (viable). You may be able to take part if you’re an adult, can understand the study, and agree to informed consent.
RomeAges 18–50
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Common questions
- Are there clinical trials for pregnancy?
- Yes. Clin2 currently lists 843 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.