Funding
This work was funded by the Bill & Melinda Gates Foundation (Grant
#OPP1084318); The United States Agency for International Development
(USAID); and the UNDP-UNFPA-UNICEF-WHO-World Bank Special Programme of
Research, Development and Research Training in Human Reproduction (HRP),
a cosponsored program executed by the World Health Organization (WHO).
The funders had no role in design, data collection and analysis,
decision to publish, or preparation of the manuscript.