Читать книгу Need to Know Fertility, Conception and Pregnancy - Harriet Sharkey - Страница 23

Normally a minimum of 40 million sperm are released with each ejaculation, but typically the quantity is over 80 million and often well in excess of 250 million. Although some are lost from the vagina, many make their way through the cervix (helped by the thin, watery mucous produced if the woman is fertile) into the womb and up into the fallopian tubes.