[1] Rwanda Biomed Ctr, Maternal Child & Community Hlth Div, Kigali, Rwanda
[2] East Africa Preterm Birth Initiat Rwanda, San Francisco, CA USA
[3] Univ Calif San Francisco, Inst Global Hlth Sci, San Francisco, CA 94143 USA
[4] UN Populat Fund Rwanda Sexual & Reprod Hlth Unit, Maternal Hlth Program, New York, NY USA
[5] UN Populat Fund Rwanda Sexual & Reprod Hlth Unit, Midwifery Program, New York, NY USA
[6] UNICEF, Kacyiru, Rwanda
[7] Makerere Univ, Nursing Program Midwifery & Womens Hlth, Kampala, Uganda
[8] Univ Rwanda, Sch Nursing & Midwifery, Kigali, Rwanda
[9] Univ Rwanda, Sch Publ Hlth, Kigali, Rwanda
[10] Univ Calif San Francisco, Dept Obstet, San Francisco, CA USA
[11] Univ Calif San Francisco, Dept Gynecol, San Francisco, CA USA
[12] Univ Calif San Francisco, Dept Reprod Sci, San Francisco, CA USA