WASHINGTON (AP) — In a surprise twist to the decadeplus effort to ease access to morning-after pills, the government is lowering the age limit to 15 for one brand — Plan B One-Step — and will let it be sold over the counter.

Today, Plan B and its generic competition are sold behind pharmacy counters, and people must prove they’re 17 or older to buy the emergency contraception without a prescription. A federal judge had ordered an end to those sales restrictions by next Monday.

But Tuesday, the Food and Drug Administration approved a different approach: Plan B could sit on drugstore shelves next to condoms, spermicides or other women’s health products — but to make the purchase, buyers must prove they’re 15 or older at the cash register.