What does it mean when your periods changes from heavy bleeding to just spotting?

There are many potential causes for a sudden change in menstrual flow. Some are not serious and may resolve on their own, while others might need medical attention.

The most common causes of sudden changes in bleeding include:

1. Pregnancy: one of the early signs of pregnancy is a a light bleeding or spotting which is sometimes confused with a period. Usually happens around the time a period would be due.

2. Hormonal changes: fluctuations in hormone levels can affect the menstrual cycle and cause changes in bleeding patterns, this is common in women who are approaching menopause or who are taking hormonal birth control.

3. Stress: severe stress can temporarily interfere with the normal functioning of the body and cause changes in menstrual flow.

4. Weight gain or loss: sudden significant changes in body weight can affect hormone levels and menstrual bleeding.

5. Certain medications: some medications can have menstrual changes listed as a potential side effect. This is commonly seen with anticoagulants, anti-inflammatory medications, and some antidepressants.

6. Underlying medical conditions: some medical conditions like thyroid disorders, diabetes, or clotting disorders can cause changes in menstrual bleeding patterns.

7. Uterine abnormalities: conditions such as uterine fibroids, polyps, or adenomyosis can affect menstrual flow.

If the changes in bleeding persist, it is recommended to consult with a doctor for an accurate diagnosis and appropriate treatment.