Here's what ob/gyns want you to know. It contains levonorgestrel, a hormone that works primarily by delaying ovulation If taken before ovulation, it can prevent the release of an egg from the ovary You don't, however, have to wait until the morning after sex to. Plan b one‑step is an fda‑approved emergency contraception pill that you take within 72‑hours after unprotected sex The sooner you take it, the better it works.
Plan b is an emergency contraceptive pill You do not need a prescription.
OPEN
