Contraception Pregnancy and Childbirth Contraception
Conditions
Interventions
1. 10 mg of gestrienone (R2323)
2. 10 mg of mifepristone (RU486)
Women were to receive a single dose of gestrienone or mifepristone within 72 hours after unprotected intercourse (initial visit). They
Sponsors
World Health Organization (WHO) (Switzerland)
Eligibility
Sex/Gender
Female
Inclusion criteria
Inclusion criteria: 1. Requesting emergency contraception within 72 hour of unprotected intercourse 2. Only one act of unprotected intercourse during current cycle 3. Willing to abstain from further acts during current cycle 4. Regular menstrual cycles (24 to 42 days with no more than 5 days variation) 5. Having at least one spontaneous cycle before current cycle 6. Available for follow up in the next six weeks 7. Negative pregnancy test 8. Willing to participate 9. Aged 18 - 44 years
Exclusion criteria
Exclusion criteria: 1. Pregnancy 2. Contraindication to mifepristone 3. Presence of chronic medical condition 4. Subfertility
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Pregnancy rates, measured at the follow up visit (7 days after expected next menstrual period) using urine pregnancy test and ultrasonography, if indicated. | — |
Secondary
| Measure | Time frame |
|---|---|
| 1. Side effects, measured using daily diary cards which were given at the initial visit, and reviewed and recorded at the follow up visit 2. Timing of next menstrual period, measured using daily diary cards which were given at the initial visit and reviewed and recorded at the follow up visit | — |
Countries
China
Outcome results
None listed