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RecruitingPhase 4NCT07671989

Period Pills for Menstrual Regulation: A New Reproductive Health Option

Sponsor

University of California, San Francisco

Enrollment

100 participants

Start Date

Jun 22, 2026

Study Type

INTERVENTIONAL

Conditions

Menstrual RegulationMenstrual Health Intervention

Summary

The Period Pills Study is a prospective observational study among people who decide to use a combination of mifepristone and misoprostol for menstrual regulation.

Eligibility

Sex: FEMALEMin Age: 18 Years

Inclusion Criteria9

  • Be 18 years old or older
  • Read and speak English
  • Know the date of their last menstrual period within 2 days
  • Have a period that is late by up to 21 days
  • Must have had regular periods in the last 4 months
  • Does not want to be pregnant
  • Does not want to verify pregnancy status
  • Understand that if they are pregnant, the pills will end their pregnancy
  • Does not have contraindications to mifepristone and misoprostol (Risk factors for ectopic pregnancy; history of bleeding disorder or anticoagulant therapy; history of chronic adrenal failure, long-term corticosteroid therapy; allergy to mifepristone/misoprostol/prostaglandins; history of hemorrhagic disorders or anticoagulant therapy; history of inherited porphyrias; has an IUD; currently use a contraceptive implant or injectable)

Exclusion Criteria8

  • Under 18 years old
  • Does not read and speak English
  • Does not know the date of their last menstrual period within 2 days
  • Has not had regular periods in the last 4 months
  • Wants to be pregnant
  • Wants to verify pregnancy status
  • Does not display understanding that if they are pregnant, the pills will end their pregnancy
  • Has any contraindications to mifepristone and misoprostol (Risk factors for ectopic pregnancy; history of bleeding disorder or anticoagulant therapy; history of chronic adrenal failure, long-term corticosteroid therapy; allergy to mifepristone/misoprostol/prostaglandins; history of hemorrhagic disorders or anticoagulant therapy; history of inherited porphyrias; has an IUD; currently use a contraceptive implant or injectable)

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Interventions

DRUGMifepristone + Misoprostol

Study participants are given mifepristone and misoprostol for menstrual regulation.

Locations(2)

UCSF Advancing New Standards in Reproductive Health (ANSIRH)

Oakland, California, United States

Roanoke Health Center

Roanoke, Virginia, United States

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NCT07671989