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Home › Conditions › Pregnancy

Pregnancy

Subtypes of Pregnancy

Twin Pregnancy 2 Adolescent pregnancy 0

16 published articles · Updated continuously

Clinical Trial Landscape

Clinical Trials for Pregnancy

125 trials tracked for Pregnancy: 22 in phase 3 or 4 and 11 with published results. The most-cited published study has 813 citations.

125Trials tracked
22Phase 3 & 4
0Recruiting
11With published results
Phase distribution
Phase 4 7 Phase 3 15 Phase 2 3 Phase 1 3 Other / NA 97
  1. Phase 3 Antenatal Late Preterm Steroids (ALPS): A Randomized Placebo-Controlled Trial Completed · 813 cited
  2. Phase 3 Thyroid Therapy for Mild Thyroid Deficiency in Pregnancy Completed · 462 cited
  3. Phase 3 Maternal Antiviral Prophylaxis to Prevent Perinatal Transmission of Hepatitis B Virus in Thailand Completed · 282 cited
  4. Phase 3 Safety and Pharmacokinetics of Dolutegravir in Pregnant HIV Mothers and Their Neonates: A Pilot Study Completed · 108 cited
  5. Phase 3 Vitamin D Status of Pregnant Women and Their Children in Eau Claire, South Carolina Completed · 103 cited
  6. Phase 3 Kansas University DHA Outcome Study (KUDOS) Follow-Up Completed · 61 cited
Show 44 more trials
  1. Phase 4 Sexual Absorption of Vaginal Progesterone Completed · 40 cited
  2. Phase 3 Induction With Misoprostol: Oral Mucosa Versus Vaginal Epithelium (IMPROVE) Completed · 35 cited
  3. Phase 3 A Single-arm, Open-label, Study to Assess the Pharmacokinetics of Darunavir and Ritonavir, Darunavir and Cobicistat, Etravirine, and Rilpivirine in HIV-1 Infected Pregnant Women Completed · 28 cited
  4. Phase 4 Effects of Bupivacaine Induced Motor Blockade During the Second Stage of Labor Completed · 16 cited
  5. Phase 3 Effect of Dexamethasone on Labor Induction Completed
  6. Phase 4 Outcomes of Neuraxial Anesthetic Technique on the Trial of Labor After Cesarean (TOLAC) Completed
  7. Phase 4 Safety and Immunogenicity of Simultaneous Tdap and IIV in Pregnant Women Completed
  8. Phase 4 Increased Cefazolin During Cesarean Delivery in Obese Population Completed
  9. Phase 4 Transverse Abdominis Plane (TAP) Block After Cesarean Delivery Completed
  10. Phase 4 Gastric Volumes by US in Term Parturients Undergoing CS With and Without Metoclopramide Completed
  11. Phase 3 Pregnancy in Polycystic Ovary Syndrome II Completed
  12. Phase 3 Study of the Safety and Contraceptive Efficacy of C31G Compared to Conceptrol® Completed
  13. Phase 3 DHA Supplementation and Pregnancy Outcome Completed
  14. Phase 3 RCT Comparing Methadone and Buprenorphine in Pregnant Women Completed
  15. Phase 3 Assessment of Multiple Intrauterine Gestations From Ovarian Stimulation Completed
  16. Phase 3 Effects of Docosahexaenoic Acid (DHA) on Fetal Cardiac Outcomes Completed
  17. Phase 2 Study of Pharmacology of 17-OHPC in Pregnancy Completed
  18. Phase 2 Effectiveness of Metformin Compared to Insulin in Pregnant Women With Mild Preexisting or Early Gestational Diabetes Completed
  19. Phase 2 Intravaneous Iron(1000 mg Low Molecular Weight Iron Dextran Over 60 Minutes) for Pregnant Women Completed
  20. Phase 1 Electrode-based Sensor for Non-invasive Fetal Heart Rate and EMG Monitoring With Improved Reliability Completed
  21. Phase 1 Comparing Anti-XA Levels in Post-Cesarean Patients Undergoing Enoxaparin Thromboprophylaxis Completed
  22. Phase 1 Study to Evaluate Suppression of Ovulation and Pharmacokinetics of Medroxyprogesterone Acetate Following Administration of TV-46046 in Women With Ovulatory Cycle Completed
  23. N/A Does Maternal Fever During Labor Analgesia Has Any Relationship With Maternal Ventilation? Completed
  24. N/A Local Anesthesia and Pain Perception During an Amniocentesis Completed
  25. N/A Phone-Based Postpartum Continuing Care for Smoking Cessation Completed
  26. N/A Effects of Oral Probiotic Supplementation on Group B Strep (GBS) Rectovaginal Colonization in Pregnancy Completed
  27. N/A The Effect of Protease Inhibitors on the Pharmacokinetics of Oral Norethindrone Contraception Completed
  28. N/A A Prenatal Bonding Intervention for Pregnant Women With Depression Completed
  29. N/A Copper T380 IUD Versus Oral Levonorgestrel for Emergency Contraception vs. Plan B for Emergency Contraception Completed
  30. N/A Comparison of Staples Versus Prolene Suture for Skin Closure at Cesarean Delivery Completed
  31. N/A Pregnancy and Neonatal Follow-up of Ongoing Pregnancies Established in Clinical Trial P05714 (Care Program)(P05715) Completed
  32. N/A EnBrace HR for Depression Treatment and Prevention in Women Trying to Conceive and Early Pregnancy Completed
  33. N/A Mobile App for Prenatal Care to Reduce Visits and Improve Satisfaction Study Completed
  34. N/A Comparison of SureCALL® Labor Monitor® and Tocodynamometer Measurement in Preterm and Term Pregnant Women Completed
  35. N/A Organization of Teratology Information Services (OTIS) Autoimmune Diseases in Pregnancy Project Completed
  36. N/A Computer-delivered Screening & Brief Intervention for Marijuana Use in Pregnancy Completed
  37. N/A Shared Decision Making for Prescription Opioids After Cesarean Delivery Completed
  38. N/A Foley Bulb With Oral Misoprostol for Induction of Labor Completed
  39. N/A Sleep Disruption in New Mothers: An Intervention Trial Completed
  40. N/A Clearblue Advanced Fertility Monitor Consumer One Cycle at Home Study Completed
  41. N/A Neuropathic Pain in Pregnancy Completed
  42. N/A Fetal Neurobehavior in Non-methadone Maintained Women in Substance Abuse Treatment Completed
  43. N/A Evaluating HITSystem 2.1 to Improve Viral Suppression in Kenya Completed
  44. N/A Immune Responses to the Flu Shot During Pregnancy Completed

Showing the 50 most-cited and recently-updated of 125 trials. Browse the full registry →

Trial data sourced from ClinicalTrials.gov. Counts describe the research landscape and are not a treatment recommendation. Informational only — not medical advice.

HCP Mode — summaries include clinical detail, trial data, and statistical outcomes.
Patient Mode — summaries use plain language, avoiding clinical jargon.
MDT management of insulinoma in pregnancy yields partial glycaemic control but fetal growth restriction occurred in this case
Diabetes & Endocrinology Sys. Review
MDT management of insulinoma in pregnancy yields partial glycaemic control but fetal growth restriction occurred in this case Multidisciplinary care manages insulinoma in pregnancy with mixed fetal outcomes
This literature review presents a case report of a 36-year-old gravida 4 para 2 woman with insulinoma during pregnancy. The multidisciplinar…
A single case report shows partial blood sugar control with octreotide and fetal growth restriction after EUS-RFA for an insulinoma during p…
Frontiers Jun 4, 2026
Meta-analysis finds hydroxychloroquine does not reduce most pregnancy complications in SLE
Rheumatology Meta-analysis
Meta-analysis finds hydroxychloroquine does not reduce most pregnancy complications in SLE Hydroxychloroquine May Lower Risk of Fetal Growth Restriction in Lupus Pregnancy
This meta-analysis of observational studies and RCTs assessed hydroxychloroquine use in pregnant women with SLE. It found no significant red…
In lupus pregnancies, hydroxychloroquine was linked to lower risks of fetal growth restriction and gestational diabetes, but not other compl…
May 22, 2026
Meta-analysis of maternal Chikungunya infection and pregnancy outcomes
Pediatrics Meta-analysis
Meta-analysis of maternal Chikungunya infection and pregnancy outcomes Chikungunya in Pregnancy: When Timing Changes Everything
This meta-analysis of 57 observational studies synthesized data on maternal Chikungunya virus infection during pregnancy.
This study reveals when during pregnancy chikungunya poses the greatest danger — and it’s later than we thought.
Apr 23, 2026
Systematic review of 127 studies shows psychosocial interventions improve smoking cessation in pregnancy
Psychiatry Sys. Review
Systematic review of 127 studies shows psychosocial interventions improve smoking cessation in pregnancy Simple Support Helps Pregnant Women Quit Smoking, Study Shows
This systematic review and meta-analysis of 127 studies involving 47,361 participants evaluates psychosocial interventions for pregnant wome…
Supporting pregnant women to quit smoking with counseling or financial help can lead to healthier babies and fewer NICU admissions.
Cochrane Apr 21, 2026
Systematic Review Analyzes Pharmacometric Modeling of Opioids and Fentanyl in Pregnancy
Drug Pipeline Meta-analysis
Systematic Review Analyzes Pharmacometric Modeling of Opioids and Fentanyl in Pregnancy Opioid Dosing in Pregnancy May Need a Rethink
This systematic review evaluates pharmacometric modeling approaches, including population pharmacokinetic and physiologically based pharmaco…
Pregnancy speeds up how the body processes pain meds, meaning standard doses may leave moms in pain or risk baby safety.
Frontiers Apr 20, 2026
Triple product of diameters predicts early medical abortion failure better than other gestational sac metrics in outpatients
Cardiology Cohort
Triple product of diameters predicts early medical abortion failure better than other gestational sac metrics in outpatients Can the size of the pregnancy sac predict if early abortion medicine will work?
This retrospective cohort study evaluated 159 early pregnancy outpatients in China receiving mifepristone and misoprostol for medical aborti…
A specific calculation of pregnancy sac size predicts when early abortion medicine might fail, while age 35 or older also raises the risk of…
Frontiers Apr 14, 2026
SARS-CoV-2 infection in singleton pregnant women increases antiphospholipid antibody prevalence and placental dysfunction risk
Rheumatology Cohort
SARS-CoV-2 infection in singleton pregnant women increases antiphospholipid antibody prevalence and placental dysfunction risk COVID in Pregnancy May Trigger Clot-Causing Antibodies
This prospective, observational cohort study examined singleton pregnant women without pre-existing complications who tested positive for SA…
Pregnant women who had COVID, especially in the third trimester, were more likely to test positive for antibodies tied to placental and clot…
Frontiers Apr 13, 2026
Surgical twin reduction associated with higher adverse outcomes compared to vanishing twin syndrome in a retrospective cohort
Diabetes & Endocrinology Cohort
Surgical twin reduction associated with higher adverse outcomes compared to vanishing twin syndrome in a retrospective cohort A Vanishing Twin May Be Safer Than a Doctor's Help
This retrospective cohort study evaluated 1,796 patients diagnosed with multifetal pregnancy reduction (MFPR) or vanishing twin syndrome (VT…
When a twin pregnancy naturally reduces to one, the remaining baby may have a better chance than if doctors perform the same reduction.
Frontiers Apr 12, 2026
Delivery timing strategies in NTSV pregnancies associated with varying cesarean rates across maternal risk strata
OB/GYN & Women's Health Cohort
Delivery timing strategies in NTSV pregnancies associated with varying cesarean rates across maternal risk strata A Simple Plan to Lower Your C-Section Risk, Backed by 5.8 Million Births
This population-based cohort study analyzed 5,776,412 live births in the US from 2020 to 2024 to evaluate cesarean delivery rates.
Timing delivery based on a mom's age and weight could significantly reduce C-section rates for first-time mothers, a study of 5.8 million bi…
medRxiv Apr 12, 2026
Cross-sectional analysis links SP resistance polymorphisms to gametocyte carriage in Mozambican malaria isolates
Infectious Disease
Cross-sectional analysis links SP resistance polymorphisms to gametocyte carriage in Mozambican malaria isolates Malaria Resistance in Mozambique Is Rising Fast
This cross-sectional molecular analysis examined 100 P.
Malaria parasites in Mozambique are becoming resistant to the main pregnancy drug, increasing the risk of low birth weight and stillbirth fo…
medRxiv Apr 10, 2026
Report describes alcohol and substance co-use among pregnant females in the United States
OB/GYN & Women's Health
Report describes alcohol and substance co-use among pregnant females in the United States Report examines alcohol and substance use patterns among pregnant people in the US
An observational report describes alcohol and substance co-use among pregnant females aged 12-44 years in the United States.
A new report looks at how often pregnant people in the US use alcohol and other substances together, aiming to clarify current trends.
CDC Apr 4, 2026
Observational report finds inconsistencies and disparities in alcohol screening for pregnant persons
OB/GYN & Women's Health
Observational report finds inconsistencies and disparities in alcohol screening for pregnant persons Report finds inconsistencies in alcohol screening for pregnant people across U.S. regions
An observational report from 24 U.S. jurisdictions found inconsistencies and disparities in alcohol screening and brief intervention among p…
A new report reveals inconsistent alcohol screening and counseling for pregnant people across 24 U.S. states and territories.
CDC Apr 4, 2026

Questions about Pregnancy

Can psychosocial interventions help pregnant women who smoke stop smoking?

Yes, psychosocial interventions like counseling and incentives help pregnant women quit smoking, with moderate-quality evidence from large reviews.

Full answer →

All Pregnancy Articles