Dry Day Rule: One of the four rules of using FAM as birth control: You are considered infertile in the evening (after 6 PM) of any day that you observed no cervical fluid, and your vaginal sensation was dry.
Dry Day Rule
Dry Day Rule: One of the four rules of using FAM as birth control: You are considered infertile in the evening (after 6 PM) of any day that you observed no cervical fluid, and your vaginal sensation was dry.