title: Ectopic tubal pregnancy following in vitro fertilization and embryo transfer under ultrasonic control.
mesh_terms: D000328:Adult; D004624:Embryo Transfer / Q000009:adverse effects*; D005260:Female; D005307:Fertilization in Vitro; D006801:Humans; D011247:Pregnancy; D011274:Pregnancy, Tubal / Q000209:etiology*; D014465:Ultrasonics