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Preterm Labor clinical trials recruiting in the U.S.
7 studies for Preterm Labor are recruiting participants at sites across the United States.
Preterm labor is labor that begins before the 37th week of pregnancy. Learn what signs to look for in a preterm labor such as cramps or bleeding.
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Recently updated studies
Maternal Stress on Human Milk and Infant Outcomes
Recruiting
Ages 18 to 50 · Women · Updated Nov 10, 2026 · NCT04821544The Periviable GOALS Decision Support Tool
Recruiting
Ages 18 and older · All sexes · Updated Oct 30, 2026 · NCT05264779Analyzing Retinal Microanatomy in Retinopathy of Prematurity to Improve Care
Recruiting
0 Days – 9 Months · All sexes · Updated Sep 17, 2026 · NCT07738874Multisite Inventory of Neonatal-Perinatal Interventions (MINI) Minimum Dataset
RecruitingObservational study
Ages 0 to 1 · All sexes · Updated Jul 6, 2026 · NCT05685745Pharmacokinetics and Placental Transfer of Caffeine
RecruitingPhase 1
Ages 18 and older · Women · Updated Jun 4, 2026 · NCT07570121Prospective Data Bank Creation to Study Vaginal Conditions
RecruitingObservational studyHealthy volunteers welcome
Ages 21 to 75 · Women · Updated Dec 18, 2025 · NCT01829204Latency Antibiotics in Previable PPROM, 18 0/7- 22 6/7 WGA
RecruitingPhase 4Healthy volunteers welcome
Ages 18 and older · Women · Updated Jan 11, 2021 · NCT04047849From ClinicalTrials.gov, data retrieved Nov 15, 2026. Each study sets its own eligibility; the study team decides who can join.