Ultrasonics in obstetrics and gynaecology.
D005260:Female; D005315:Fetal Diseases / Q000175:diagnosis; D005831:Genital Diseases, Female / Q000175:diagnosis*; D005833:Genital Neoplasms, Female / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis; D014463:Ultrasonography