Why do women get pregnant if they don't want to have a baby?

Any time grown-ups have sex, it's possible that they can make a baby. Sometimes, people have sex because it feels good to their bodies, even though they don't want to have a baby. Because a baby is made inside a woman's body during sex, when a man's sperm is joined with the woman's egg, it can be very hard to predict if the woman will become pregnant, so sometimes she can become pregnant accidentally.

If a man and woman want to have sex but don't want to make a baby, they can use special kinds of protection to help prevent the sperm and egg from joining up. When a man and woman don't use protection during sex, the woman has a very high chance of becoming pregnant. That's why sex is a big decision. People need to be responsible and make smart choices if they decide to have sex even though they don't want to have a baby.