Menstruation or delayed menstruation is often associated with pregnancy. In fact, there are many other factors that make a woman's menstruation delayed from the proper schedule.

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The menstrual cycle or menstruation is a cycle that occurs as a result of the ovaries releasing eggs through ovulation. The ovulation process generally has different cycles, but a healthy menstrual cycle occurs every 21 to 35 days, or 28 days to be precise.
The tolerance range for a woman's early or late menstruation is usually five days. However, there are several conditions that cause late menstruation. Summarize various sources, the following causes women to menstruate late except pregnancy are:
1. Stress
2. Hormone Imbalance
3. Health conditions
4. Polycystic ovary syndrome (PCOS)
5. Smoking
6. Medicines
7. Use of contraceptives
8. Thyroid problems
9. Pelvic inflammatory disease
10. Early menopause

For some people, a late menstrual cycle may not be something serious. Simply by practicing relaxation techniques, change your lifestyle to be healthy, exercise regularly and your menstrual cycle will return to normal.
On the contrary, for some people, a delayed menstrual cycle may be a serious symptom. Consult a doctor immediately or do regular check-ups if the menstrual cycle is not smooth followed by bleeding, fever and severe pain.