title: Is twin pregnancy necessarily an adverse outcome of assisted reproductive technologies?
authors.forename: Joelle
authors.initials: J
authors.lastname: Belaisch-Allart
mesh_terms: D005260:Female; D005307:Fertilization in Vitro / Q000009:adverse effects*; D006801:Humans; D011247:Pregnancy; D011256:Pregnancy Outcome; D011272:Pregnancy, Multiple