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Reproductive failure and cervical incompetence in women exposed to diethylstilbestrol.

Exposure to diethylstilbestrol in utero is recognized to be associated with a wide range of developmental abnormalities in the female genital tract, the most prominent being adenocarcinoma of the vagina. Recently anatomic anomalies have been discovered with increasing frequency. This case illustrates the association of exposure to diethylstilbestrol, cervical incompetence, and poor reproductive history, and stresses the importance of early evaluation.