| Methods |
randomisation sequence generated centrally |
| Participants |
multicentre trial in 5 hospitals in Beijing, China
990 women ≤ 49 days of amenorrhoea, pregnancy confirmed by ultrasound, without medical disorders, contraindication for the study medication and IUD in situ |
| Interventions |
group 1:
day 1: mifepristone 200mg and tamoxifen 40 mg/po
day 2: tamoxifen 40mg/po
day 3: PGF2alpha /pv
group 2:
day 1: mifepristone 200mg and placebo/po
day 2: placebo /po
day 3: PGF2 alpha/vaginally |
| Outcomes |
complete, incomplete abortion, duration of bleeding, resuming of menses, side effects |
| Notes |
58/990 women were excluded post‐randomisation due to protocol violation
no major complications were reported |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Allocation concealment (selection bias) |
Unclear risk |
B ‐ Unclear |
