The first over-the-counter birth control pill will be available in U.S. stores later this month. Manufacturer Perrigo said Monday that it has begun shipping the medication, called Opill, to major retailers and pharmacies.

The first over-the-counter birth control pill will be available in U.S. stores later this month, allowing American women and teens to purchase contraceptive medication as easily as they buy aspirin.

Manufacturer Perrigo said Monday it has begun shipping the medication, Opill, to major retailers and pharmacies. A one-month supply will cost about $20 and a three-month supply will cost around $50, according to the company’s suggested retail price. It will also be sold online.

The launch has been closely watched since last July, when the Food and Drug Administration said the once-a-day Opill could be sold without a prescription. Ireland-based Perrigo noted there will be no age restrictions on sales, similar to other over-the-counter medications.