What could cause someone to have 3 periods in a month?

Sometimes, you might notice more bleeding days than usual, and it can seem like you're having three periods in one month. This can happen because your hormones, which control your period, might be acting in a way that causes your body to shed the lining of your uterus more than once. For example, if your menstrual cycle becomes very short, you might start a new cycle while still finishing the previous one. Other times, you might experience extra bleeding or spotting between periods, making it appear like a full period has restarted. Factors like stress, sudden changes in weight, intense exercise, or even the way your body reacts to birth control can change your hormone levels. Sometimes, medical conditions like polycystic ovary syndrome (PCOS) or thyroid issues can also lead to such irregularities. While this might not always be a concern, if you notice this pattern happening often, for more than 3 months, or if you have other symptoms such as significantly increased pain, bleeding, or dizziness when standing, you can use a free symptom checker to help understand what might be causing these changes and whether you should talk with a healthcare provider to check your hormone levels and overall health.