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Cervical and uterine factors in infertility.

The uterus plays a pivotal role in many aspects of human reproduction. The cervix and its secretion are actively involved in sperm transport. Postcoital tests and other in-vitro and in-vivo tests evaluate sperm-cervical mucus interaction and should be an integral part of infertility investigation. Various diagnostic tests should help clinicians evaluate developmental and organic disorders of the uterine body. Adequate management of cervical and uterine factors in infertility is commonly rewarded by restoration of fertility in a high proportion of cases, when impairment of fertility is due to these conditions.