title: Birth order and sex of siblings: influence on parental identification.
mesh_terms: D000223:Adaptation, Psychological; D000328:Adult; D001722:Birth Order; D004644:Emotions; D005260:Female; D006801:Humans; D007062:Identification, Psychological; D009497:Neurotic Disorders; D010287:Parent-Child Relations; D011247:Pregnancy; D012737:Sex Factors; D012725:Sexual Behavior; D012801:Sibling Relations