[Pregnancy and abortion with intrauterine pessary in situ].
D000022:Abortion, Spontaneous / Q000209:etiology*; D000328:Adult; D005260:Female; D006801:Humans; D007434:Intrauterine Devices / Q000009:adverse effects*; D011247:Pregnancy
Schwangerschaft und Fehlgeburt bei Intrauterinpessar in situ.