Methods |
Women 'randomly allocated' to 2 groups. Method of randomisation not reported |
Participants |
116 women attending the gyn clinic in a general hospital, Sichuan, China. Women had regular menstrual periods and attended the clinic within 72 h of a single act of unprotected intercourse |
Interventions |
Mife 10 mg + anordrin 5 mg vs Mife 25 mg |
Outcomes |
Observed number of pregnancies, side effects and changes in menstrual pattern |
Notes |
Post‐randomisation exclusion and loss to follow‐up not reported
Observed pregnancy/total number of women: Mife + anordrin 0/58; Mife 0/58
|
Risk of bias |
Bias |
Authors' judgement |
Support for judgement |
Random sequence generation (selection bias) |
Unclear risk |
Mentioned randomisation but description not adequate |
Allocation concealment (selection bias) |
Unclear risk |
Method of allocation concealment not mentioned |
Blinding (performance bias and detection bias) All outcomes |
Unclear risk |
Not mentioned |
Incomplete outcome data (attrition bias) All outcomes |
Unclear risk |
Post‐randomisation exclusion and loss to follow‐up not reported |
Selective reporting (reporting bias) |
Low risk |
Reported planned outcomes |
Other bias |
Low risk |
None detected |