WHO multinational study of three misoprostol regimens after mifepristone for early medical abortion. I: Efficacy

Helena von Hertzen1, Helena Honkanen2, Gilda Piaggio1, György Bartfai3, Radnaabazar Erdenetungalag4, Kristina Gemzell-Danielsson5, Sarala Gopalan6, Mihai Horga7, Fridtjof Jerve8, Suneeta Mittal9, Nguyen Thi Nhu Ngoc10, Alexandre Peregoudov1, R.N.V Prasad11, Alenka Pretnar-Darovec12, Rashmi S Shah13, Si Song14, Oi Shan Tang15, Shang Chun Wu
1UNDP/UNFPA/WHO/World Bank Special Programme of Research, Development and Research Training in Human Reproduction, Department of Reproductive Health and Research, World Health Organization, Geneva, Switzerland
2Helsinki University Central Hospital, Finland
3University of Szeged, Hungary
4Maternal and Child Health Research Center, Ulaanbaatar, Mongolia
5Karolinska Hospital, Stockholm, Sweden
6Postgraduate Institute of Medical Education and Research, Chandigarh, India
7Center of Public Health, Targu Mures, Romania
8Ulleval University Hospital, Oslo, Norway
9All India Institute of Medical Sciences, New Delhi, India
10Hungvuong Hospital, Ho Chi Minh City, Viet Nam
11National University Hospital, Singapore, Singapore
12University Department of Obstetrics and Gynaecology, Ljubljana, Slovenia
13Indian Council of Medical Research, Mumbai, India
14Shanghai Institute of Planned Parenthood Research, China
15Queen Mary Hospital, Hong Kong, China