Siblings at birth: impact on parents.
D002648:Child; D002675:Child, Preschool; D003657:Decision Making; D005190:Family; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D007398:Interpersonal Relations; D008297:Male; D009034:Mother-Child Relations; D009321:Natural Childbirth; D010290:Parents / Q000523:psychology; D011247:Pregnancy