title: [Intrauterine pessary and fertility in Nulliparae].
mesh_terms: D000367:Age Factors; D005260:Female; D005298:Fertility; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects; D011247:Pregnancy; D011274:Pregnancy, Tubal / Q000209:etiology; D012488:Salpingitis / Q000209:etiology
vernacular_title: Intrauterin-Pessar und Fertilität bei Nulliparen.