Progestin-only birth control methods prevent pregnancy without using estrogen. They can be a good option for people who prefer to avoid estrogen or who have a medical reason that estrogen-containing birth control may not be recommended.
The progestin-only pill is taken every day, while Depo Provera is an injection given every 3 months. Both methods can affect your menstrual bleeding, and some people may have irregular bleeding or stop having periods altogether.
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Types of Progestin-Only Pills