How to define a cycle?

Elena Melnichenko
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How to define a cycle?

Correctly determine the menstrual cycle should be able to every woman. This will reduce the risk of a sudden onset of �these days�, plan pregnancy and calculate the time for safe intercourse. In addition, the violation of the duration of the menstrual cycle can be the first signal of various women's problems. In time, suspecting something wrong and passing the examination, you can avoid further problems.

What is the menstrual cycle

Menstrual (monthly) cycle is called regular changes in hormonal levels and the functioning of the reproductive system in women, associated with the development and release of the egg from the ovary. This is called ovulation.

Cycle definition

Defining your cycle is very simple. To do this, you need to calculate how many days have passed between the first day of the previous menstrual period and the first day of the current one. This will be the duration of the cycle.

The classic cycle is considered a period of 28 days. But do not be upset if your cycle does not correspond to it.A period of at least 21 days and not more than 35 days is considered normal.

How to count the days

All experts strongly advise to keep a diary of critical days. This is especially important for girls in the first two years of their period. Indeed, at this time, their cycle is still unstable.

For this purpose, you can use a small pocket calendar, in which the numbers of critical days are circled in circles. Between months mark the cycle time. Then you definitely do not miss the deviations.

Resources have now appeared on the Internet offering calendar services for critical days. They are very convenient, and can always be at hand, subject to the availability of the Internet. For example, such a diary can be started on

Cycle periods

For a woman it is important to know the duration not only of the cycle, but also of its individual periods. This will help choose a conditionally safe time for sex and the right time to conceive.

A total of three phases in the menstrual cycle: follicular, ovulatory and luteal. In the first of these, the maturation of the egg occurs, in the second - its exit from the ovary, in the third - preparation of the organism for a possible pregnancy.

The right time for conception and not suitable for safe sex is the ovulatory phase. For its approximate calculation it is necessary to analyze the duration of the menstrual cycles, at least six months. Then subtract 18 from the longest, and 10 from the shortest. The first figure corresponds to the number of days safe for sex from the beginning of the menstrual cycle, and the second - the number of safe days before the start of a new cycle. But between these intervals is the most favorable period for conception.