| Methods |
double blind, randomisation generated centrally; sealed, opaque envelopes |
| Participants |
151 women, ≤ 49 days of amenorrhoea confirmed by ultrasound at Shanghai Medical University without medical disorders, contraindication for the study medication or IUD in situ |
| Interventions |
group 1:
day 1‐3: testosterone propionate 100mg/imi/day
day 4: PGE1 ester (ONO 802) 1mg/pv/6 hourly for a maximum of 4 doses
group2:
day 1‐3: placebo injections
day 4: PGE1 ester (ONO 802) 1mg/pv/6 hourly for a maximum of 4 doses |
| Outcomes |
complete, incomplete abortion, ongoing pregnancy, blood transfusion, duration of bleeding |
| Notes |
no major complications were reported |
| Risk of bias |
| Bias |
Authors' judgement |
Support for judgement |
| Allocation concealment (selection bias) |
Low risk |
A ‐ Adequate |
