The early identification of high-risk pregnancies.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D004964:Estriol / Q000652:urine; D005260:Female; D005323:Fetal Monitoring; D006801:Humans; D010928:Placental Lactogen / Q000097:blood; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D011251:Pregnancy Complications, Infectious / Q000175:diagnosis; D011295:Prenatal Care; D012306:Risk; D012959:Socioeconomic Factors
D010928:Placental Lactogen; D004964:Estriol