First trimester nausea in pregnant teenagers: incidence, characteristics, intervention.
D000293:Adolescent; D005260:Female; D006801:Humans; D009325:Nausea / Q000628:therapy*; D011247:Pregnancy; D011248:Pregnancy Complications / Q000628:therapy*; D011261:Pregnancy Trimester, First; D011253:Pregnancy in Adolescence; D000297:Psychology, Adolescent; D012648:Self Care; D014839:Vomiting / Q000628:therapy