- Conditions
- Uterine Contraction, Labor Complication, Labor Active Dilated Cm, Labor Dystocia, Labor Duration, Labor, Labor Delivery
- Interventions
- Calcium carbonate
- Drug
- Lead sponsor
- Arrowhead Regional Medical Center
- Other
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 89 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2025
- U.S. locations
- 1
- States / cities
- Colton, California
Source: ClinicalTrials.gov public record
Updated Jul 8, 2025 · Synced May 21, 2026, 11:25 PM EDT