When estrogen and progestin are withdrawn after day 21 in the traditional pill:

Myotonia is one of the two basic physiological processes that occur during the sexual response. It involves:

The oral contraceptive pill works mainly by:

Sexual response typically progresses sequentially in three stages:

Spermicides operate by:

“Ejaculatory inevitability” is:

Which of the following observations about lack of interest in sex is true?

When using oral contraceptives, typically a woman takes the pill for _____ days and then takes no pill or a placebo for _____ days.

The _____ is the mass of tissue lying beside the fetus that allows nutrients and oxygen to pass from the mother’s blood to the baby’s blood.

As reported by Masters and Johnson, which of the following is true of the duration of the refractory period experienced by men?