I've heard of progestin only pills being used vaginally, but almost always to treat premenstrual syndrome (PMS) in **some** women. I've never heard it used in this context as a contraceptive. However, the FDA approved a vaginal contraceptive ring last october; see the link below for more info.

As always, please consult a physician if your seeking this knowledge for personal use.

http://www.metrokc.gov/health/fampl...de/vag_ring.doc


Hope this is helpful.

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Nubian