When you breastfeed, your ovaries can stop releasing eggs (or ovulating), making it harder for you to get pregnant.
Your periods can also stop. But, there are no guarantees that you will not get pregnant while you are nursing. The only way to make sure pregnancy does not occur is to use a method of birth control. The safest birth control pill to use when you are breastfeeding is the “mini-pill.” However, talk with your health care provider about what birth control method is best for you to use while breastfeeding.
Worth reading: Body Changes in Pregnancy
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