Sex ratio at birth in 2017 and the number of missing female births during 1970-2017. (IMAGE)

Proceedings of the National Academy of Sciences

Sex ratio at birth in 2017 and the number of missing female births during 1970-2017.

Caption

Sex ratio at birth in 2017 and the number of missing female births during 1970-2017.

Credit

Image courtesy of Fengqing Chao.

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