[PRENATAL SEX RATIO IN MAN].
D000029:Abortion, Legal; D000013:Congenital Abnormalities; D005260:Female; D005333:Fetus; D006801:Humans; D008297:Male; D011247:Pregnancy; D012728:Sex Chromatin; D012744:Sex Ratio; D013223:Statistics as Topic
ABNORMALITIES; ABORTION, LEGAL; FETUS; PREGNANCY; SEX CHROMATIN; STATISTICS
PRENAT'ALN'I POM ER POHLAV'I U  CLOV EKA.