Selecting function of female genital tract in relation with spermatozoa interaction

: The present study includes 50 infertile couples followed sperm parameters: morphology and others indices for ability of penetration in ovulatory cervical mucus during 12 months. It is discussed the possibility of which spermatozoa can participate in the fertilization and the impotence and place of the female genital tract for the selection of morphologically abnormal spermatozoa before reaching the place of fertilization.