Soon, ladies of any age will be able to walk into their local drugstore and pluck a morning-after pill right off the shelf with the same ease as buying a box of tampons or a soda. No more prescriptions, no more flashing IDs, no more telling a Rite-Aid pharmacist that you need a pill to prevent fertilization, like, now.

However, it may be months until the contraceptive hits shelves, and it will be even longer before prices for the pill go down. This is the first time in U.S. history that an emergency contraceptive will be sold over the counter. Here's everything you need to know.