Roentgenology in obstetrics.
D005260:Female; D005835:Genitalia; D005836:Genitalia, Female / Q000000981:diagnostic imaging*; D006801:Humans; D009774:Obstetrics; D010387:Pelvimetry; D010923:Placenta Previa / Q000175:diagnosis*; D011247:Pregnancy / Q000000981:diagnostic imaging; D011859:Radiography
GENITALIA, FEMALE/radiography; PELVIMETRY; PLACENTA PRAEVIA/diagnosis; PREGNANCY/radiography