Once-a-month birth control pill? Experiment works in animals

Birth control pills work great if women remember to take them every day but missing doses can mean a surprise pregnancy.
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WASHINGTON (AP) Birth control pills work great if women remember to take them every day but missing doses can mean a surprise pregnancy.

Now scientists are developing a once-a-month pill.

The contraceptive is packed into a tiny star-shaped gadget that unfolds in the stomach and gradually releases the drug.

It's still years away from drugstores.

But Wednesday, Massachusetts Institute of Technology researchers reported the capsule worked as designed in a key test in pigs.

More safety and other tests are required before the pill could be tried for the first time in women.

The research was published in Science Translational Medicine.