作者: O.O. Makinde , S.O. Ogunniyi
DOI: 10.1016/0020-7292(90)90523-N
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摘要: Three cases of unilateral tubal twin pregnancies and four simultaneous bilateral pregnancy recorded in a Nigerian University Teaching Hospital were reviewed. The incidences 1 68 51 ectopic respectively. High twinning rates within the environment damage from pelvic infections considered as possible etiologic factors.