Transvaginal sonography (TVS)
Mendelson
E B
EB
D005260:Female; D005831:Genital Diseases, Female / Q000175:diagnosis*; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000175:diagnosis*; D014463:Ultrasonography / Q000379:methods; D014621:Vagina