missing female births

Systematic assessment of the sex ratio at birth for all countries and estimation of national imbalances and regional reference levels

We identify 12 countries with strong statistical evidence of SRB imbalance during 1970--2017, resulting in 45.0 (95% uncertainty interval [36.4; 54.8]) million missing female births globally. The majority of those missing female births are in China, …

Web Appendix Systematic assessment of the sex ratio at birth for all countries and estimation of national imbalances and regional reference levels

This web appendix formed part of the original submission and has been peer reviewed. The journal post it as supplied by the authors. Supplement to: Chao, F., Gerland, P., Cook, A.

A Systematic Assessment of National, Regional and Global Levels and Trends in the Sex Ratio at Birth and Identification of Countries With Outlying Levels

We implemented Bayesian methods for probabilistic sex ratio at birth (SRB) estimation and projection for all countries based on an extensive database with data from vital registration systems, censuses, and surveys. We identified countries at risk of …

A Systematic Assessment of National, Regional and Global Levels and Trends in the Sex Ratio at Birth and Identification of Countries with Outlying Levels

Under normal circumstances, the sex ratio at birth (SRB) has been reported to vary between 1.04 and 1.07. But gender discrimination and other factors associated with the SRB can result in different SRB levels. While SRB estimates have been published …