Can my daughter become pregnant as soon as she starts menstruating?

For the first year or so after your daughter begins menstruating, she likely will not be ovulating. However, it’s important to note that no girl who has just started having periods should rely on this fact in the expectation that she won’t become pregnant if she has sexual intercourse. Rather, she needs to be mindful of the safe-sex precautions I spell out in other parts of this book.