Abortion, birth control, and sex ratio in England and Wales.
D000029:Abortion, Legal; D001723:Birth Rate; D004739:England; D005193:Family Planning Services; D005260:Female; D005313:Fetal Death / Q000453:epidemiology; D006801:Humans; D008297:Male; D011247:Pregnancy; D012744:Sex Ratio; D014852:Wales