The Pipelle endometrial suction curette was evaluated, and its application and effectiveness were compared to those of the Novak curette for endometrial sampling during the midluteal phase. Fifty women underwent an endometrial biopsy with the Pipelle and Novak curettes. Ninety percent of the women preferred the biopsy with the Pipelle. Histologically, tissue obtained with the Pipelle was satisfactory and similar to that with the Novak. The Pipelle curette appears to be an excellent device for midluteal endometrial biopsy during an infertility evaluation.
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