Study	Reason for exclusion
Ashok 2002	single cohort, no comparison group
Aubeny 2000	randomisation by day of admission
Cheng 1999	women up to 16 weeks of gestation are included
Creinin 1996 A	single cohort, no comparison group
Davis 1999	Data for one group (Methotrexate) was reported for all (randomised and non‐randomised) women together
De Nonno 2000	not RCT
ICMR 2000	allocation concealment and randomisation not stated
Jacobson 1990	This study was not designed to achieve abortion: only to test an existing regimen for treatment of ulcer and its effect on early pregnancy
Martin 1998	intervention not in the scope of the review (oral contraceptives or methotrexate to shorten the duration of bleeding)
Ngai 2000	intervention not in the scope of the review (water and misoprostol compared to misoprostol alone)
Norman 1992	non‐randomised and randomised outcomes presented together
Swahn 1994	single cohort, no comparison group
Tang 1999	intervention not in the scope of the review (oral contraceptives vs palcebo for effectiveness, bleeding duration)
Wiebe 2001	review