title: Heterotopic pregnancy: it is really a rare event? The importance to exclude it not only after in vitro fertilization but also in case of spontaneous conception.
authors.forename: Giuseppe Maria
authors.initials: GM
authors.lastname: Maruotti
authors.forename: Laura
authors.initials: L
authors.lastname: Sarno
authors.forename: Maddalena
authors.initials: M
authors.lastname: Morlando
authors.forename: Angelo
authors.initials: A
authors.lastname: Sirico
authors.forename: Pasquale
authors.initials: P
authors.lastname: Martinelli
authors.forename: Tiziana
authors.initials: T
authors.lastname: Russo
mesh_terms: D000328:Adult; D005260:Female; D005306:Fertilization / Q000502:physiology*; D005307:Fertilization in Vitro / Q000009:adverse effects*; D006801:Humans; D015994:Incidence; D010535:Laparoscopy; D010053:Ovary; D011247:Pregnancy; D011271:Pregnancy, Ectopic / Q000453:epidemiology / Q000209:etiology* / Q000601:surgery; D012489:Salpingostomy / Q000379:methods