title: Ectopic pregnancy combined with intra-uterine twin pregnancy.
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000175:diagnosis / Q000209:etiology; D011272:Pregnancy, Multiple; D014427:Twins