Question 1

How is the menstrual cycle calculated?

Accepted Answer

The menstrual cycle is counted from the first day of one period to the first day of the next. A normal cycle lasts 21 to 35 days, with an average of 28 days.

Question 2

What are the fertile days?

Accepted Answer

The most fertile days are the 5 days before ovulation and the day of ovulation itself. Ovulation typically occurs 14 days before the start of the next period.

Question 3

Is this calculator accurate?

Accepted Answer

This calculator provides estimates based on regular cycles. If your cycle is irregular, results may vary. It should not be used as a contraceptive method.

Question 4

What factors affect the menstrual cycle?

Accepted Answer

Stress, weight changes, intense exercise, travel, medications, and medical conditions can affect the duration and regularity of the menstrual cycle.

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