el‐Refaey 1993.

Methods	Randomisation by sealed envelope selection.
Participants	60 pregnant women (group I: 30, group II: 30) Inclusion criteria: 13‐20 weeks gestation. Exclusion criteria: none reported.
Interventions	600mg mifepristone (36‐48 hours later followed by): Group I: misoprostol 400 μg orally, every 3 hrs, max 3 doses. If abortion did not occur: two further doses of vaginal gemeprost 1 mg, every 3 hrs; Group II: gemeprost 1 mg pessaries vaginally, every 3 hrs, max 5 doses.
Outcomes	Primary outcome: abortion within 24 hours. Secondary outcomes: surgical evacuation, side‐effects.
Notes	Definition of abortion: expulsion of fetus and placenta. No information was provided regarding the policy of evacuation of the uterus. No major complications reported.
Risk of bias
Bias	Authors' judgement	Support for judgement
Allocation concealment?	Low risk	A ‐ adequate
Blinding? All outcomes	High risk
Free of other bias?	Low risk	No statistically significant differences between the groups in terms of maternal age, gestational age and parity.