That Dramatic Drop in Teen Births? Credit Easier Access to Contraceptives, Not Less Sex September 6, 2016 | FlaglerLive | 5 Comments The drop was especially steep for younger girls: in births to girls 17 or younger in Flagler, the drop went from 12 such births per 1,000 in the early 90s to 3.8 in 2013-15, and four in Florida.