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. 2011 Nov 9;2011(11):CD002855. doi: 10.1002/14651858.CD002855.pub4

Wang 2000.

Methods women were randomly divided into 2 groups by 2:1 ratio
Participants Multicentre trial in 9 hospitals in Hebei,China; 1612 pregnant women ≤ 49 days of amenorrhoea, confirmed by ultrasound; without clinical or haematological abnormalities,contraindication for the study medication or IUD in situ.
Interventions group 1: 
 day 1: mifepristone 50 mg/po 12 hours apart (= total of 100 mg) 
 day 2 to day 7: mifepristone 25 mg/po daily (= total of 250 mg) 
 day 3: misoprostol 600 mcg/po 
 day 4 to day 6: misoprostol 200 mcg daily (= total of 600 mcg) 
 group 2: 
 day 1: mifepristone 50 mg/po then 25 mg/12 hourly/4 times (= total of 150 mg) 
 day 3: misoprostol 600 mcg/po
Outcomes complete/incomplete abortion, duration of bleeding, resuming of menses, side effects
Notes post‐randomisation exclusion, protocol deviation, loss to follow‐up not mentioned 
 no mentioning of major complications
Risk of bias
Bias Authors' judgement Support for judgement
Allocation concealment (selection bias) Unclear risk B ‐ Unclear