Sex ratios at birth in Australia according to mother's country of birth : A national study of all 5 614 847 reported live births 1997-2016
OBJECTIVES: Son preference and sex selective practices have resulted in a deficit of girls in several countries, primarily across Asia. Emerging evidence indicates that son preference survives migration to Western high-income countries. The objective of this study was to assess male-to-female (M/F) ratios at birth per mother's country of birth in Australia 1997-2016, in total and by parity, and by