What's the matter with the sudden decrease in menstruation?

If the menstrual volume suddenly becomes less, the following reasons should be ruled out clinically: First, rule out the possibility of ectopic pregnancy. Because some ectopic pregnancy patients often show a small amount of vaginal bleeding, patients often think that menstrual volume is reduced, but not considered pregnant, so often ignored this situation, it is recommended to take blood to check HCG to make a clear diagnosis; Second, rule out the possibility of pregnancy threatened abortion. Due to the lack of hormone levels in the body, even if pregnant, in the clinical progesterone deficiency, will also show vaginal bleeding, so it is recommended to draw blood to check hcg for a clear diagnosis; three, rule out the possibility of ovarian function decline. Clinically recommended to draw blood to check six sex hormones, and Amh to check ovarian reserve function; four, in the clinical also ruled out due to abortion caused by incomplete adhesion of the endometrium caused by menstrual volume reduction. Therefore, for menstrual volume suddenly become less, it is recommended to do a detailed examination to make a clear diagnosis.