The oral contraceptive pill, informally called "the pill" contains an estrogen and progesterone or a synthetic mimic of this hormone. The combination of these two hormones taken in the pill and circulating in the blood work because ________.
◦ the hormones prevent the proliferative or secretory phase of the menstrual cycle and the embryo will have no place to implant
◦ the hormones cause a thickening of the mucus plug at the cervix that prevents sperm from penetrating the womb and reaching the ovulated egg
◦ the hormones cause the woman's body to mimic the activities of a pregnancy and disrupt the ovarian cycle, preventing ovulation
◦ the hormones create an acid condition in the vagina that acts as a spermicide