Is menstrual flow short and normal?

Menstruation amount is less cycle time is short, this kind of situation should see whether menstrual cycle forms a rule, if 3 menstruation time is same time, want to form a rule to belong to normal menstrual cycle only. Under normal circumstances, the menstrual cycle is twenty-one days to thirty-five days, if your menstrual cycle is not less than twenty-one days, menstrual volume is not less than twenty milliliters, it is within the normal range, such menstrual cycle is clean after there is no safe period, so if you want a baby, after menstruation clean you need to ensure that the next day a one-time life, it is easy to get pregnant; If your menstrual cycle is less than twenty-one days and the amount is small, this situation may affect pregnancy and needs to be checked for endocrine.