On Tuesday, the Food and Drug Administration said that it would make Plan B One-Step morning-after pill available without a prescription to girls and women ages 15 and older, and also make the pill available on drugstore shelves, instead of keeping it locked up behind pharmacy counters. Previously, Plan B One-Step was available without a prescription only for ages 17 and older. Your thoughts? One in Five Teen Births Repeat Births. Posted at 03:49 PM. March 29, 2013. Posted at 01:04 PM. March 15, 2013.