6 days ahead of schedule is normal?

Normal menstrual cycle is 21~35 days, no more than 9 days in advance or no more than 5 days late are normal. If menstruation is 6 days ahead, menstrual cycle is more than 21 days is normal, menstrual volume and menstruation are normal, do not affect health, do not need treatment. And if menstruation 6 days ahead of schedule, menstrual cycle shorter than 21 days, after examination ruled out uterine space-occupying lesions, then it is necessary to consider whether the luteal function is caused by insufficient, that is, ovulation, progesterone level secretion caused by insufficient, this situation is easy to cause infertility or pregnancy caused by threatened abortion symptoms, can consider in the second half of the menstrual cycle application of progesterone treatment.