Fetal sex and pre-eclampsia in primigravidae.
D004461:Eclampsia / Q000453:epidemiology; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D011225:Pre-Eclampsia / Q000150:complications / Q000453:epidemiology*; D011247:Pregnancy; D011507:Proteinuria / Q000150:complications; D012606:Scotland; D012744:Sex Ratio