Earlier rather than later.
McAnarney
E R
ER
Division of General Pediatrics and Adolescent Medicine, University of Rochester, School of Medicine and Dentistry, NY 14642.
D000293:Adolescent; D005260:Female; D006801:Humans; D009035:Mothers; D011247:Pregnancy; D011253:Pregnancy in Adolescence; D012920:Social Behavior Disorders / Q000209:etiology