The ideal menstrual cycle is 28–31 days. Some women can have shorter or longer cycles. When a menstrual cycle starts 5 days earlier or later than normal, it is not a reason to worry. But what should you do if you don't have your period for seven days after the end of your cycle and you know for sure that you are not pregnant? And what causes changes in the menstrual cycle?

Dr. Helene
Any of the following can be considered a menstrual disorder
- Systematic delays in menstruation for more than 5 days
- Regularly having a shorter menstrual cycle by more than 5 days
- Heavier or lighter menstrual bleeding
- Unusual discomfort or stronger pain accompanying menstruation
- Bleeding after the period (insignificant blood discharge during ovulation is normal)
- Stopping to have a period before menopause
Minor causes
The list of the minor causes which do not require medical treatment includes getting used to the new climate and stress. Traveling, flying to another time zone and sudden climate change can lead to a shorter or longer menstrual cycle. When you feel stressed, your body produces too many stress hormones that delay ovulation so that the period is delayed. Taking ...
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