Side effects may include nausea, breast tenderness, spotting, weight gain, mood changes, and headaches. Combination pills prevent pregnancy because their hormones stop the ovaries from releasing eggs. There is no medical reason to take a break from your pills. Plus, they prevent pregnancy best if you take them at about the same time every day. In fact, birth control pills make monthly periods more regular.
Most women can become pregnant in about one to three months after they stop taking the pill.
3-Month Women receive an injection in the buttocks or arm every three months. Can be used safely right after childbirth and while breastfeeding. Helps protect women from cancer of the lining of the womb. Side effects can go on for eight months after you stop having injections. The hormone in the injection stops the ovaries from releasing eggs, and it keeps sperm out of your womb.