# The Distance Between The Fertile Period To The Next Menstruation?

, the distance from my first menstrual period to my fertile period is around 11-12 days, is it the same length from the fertile period to my next menstrual period?

p dir = "ltr"> Hello, thank you for asking at HealthReplies.com
Fertility is a time when a woman is most likely to be impregnated. This fertile period lasts 2 days before ovulation and 2 days after ovulation (the fertile period lasts for 5 days in one menstrual cycle). Ovulation is the time an egg is ready to be fertilized, released by the ovaries. Where, ovulation will occur 14 days before the first day of the next menstruation, on a 28 day cycle. Whereas in irregular menstrual cycles, the calculation of the fertile period is not based on the estimated time of ovulation. I will explain how to calculate the fertile period in irregular menstrual cycles. It starts with recording the menstrual cycle during the last 8 months. Then take the shortest menstrual cycle, for example 28 days. This shortest cycle is reduced by 18, the result is 28-18 = 10. Then, take the longest menstrual cycle, for example 30 days. The longest cycle is reduced by 11, the result is 30-11 = 19. Means that the estimated fertile period is during the 10th - 19th menstrual cycle. During the day you should have intercourse if you want a pregnancy.
Well, so the distance of the first day of the last menstrual period to the fertile period with the first day of the next menstruation to your fertile period is not the same huh. To determine how long, you must first know whether your menstrual cycle is regular or not and whether you have a 28 day menstrual cycle or not.
Thus hopefully useful.

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