[Early placenta praevia and the outcome of pregnancy].
D005260:Female; D006801:Humans; D010923:Placenta Previa / Q000175:diagnosis*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis; D012189:Retrospective Studies; D014463:Ultrasonography
Ranna placenta praevia i izkhod ot bremennostta.