Calculate Menstrual Cycle - What Happens During Those 28 Days?

The monthly bleeding of a woman is referred to as menstruation. Menstrual periods are also referred to as menses. It's important for a woman to calculate her menstrual cycle using a chart or marking on calendars.

This cycle starts from the first day when the bleeding of the period starts. Average time for a menstrual cycle is twenty eight days. But in some women may this cycle may vary from anywhere between 23 days to 35 days.

The blood that flows out is partly blood and partly tissues, that comes from inside the uterus of the woman. The blood passes through a small opening in the cervix and then through the vagina.

Several parts of a woman's body are involved in this process. Chief among them are the pituitary glands, brain, fallopian tubes, uterus, ovaries, cervix, and vagina. Hormones in the body go through a very volatile phase during menstrual periods. The main hormones that come into play during this period are estrogen, progesterone, luteinizing hormone (LH) and follicle-stimulating hormone (FSH).

A lot of things happen during the menstrual cycle inside a woman. In the first phase basically the first 14 days of the 28 day period, there is a process going on called Ovulation. Ovulation occurs because of high levels of estrogen during the first phase. As a result of this volatile activity by estrogen, other hormones like follicle-stimulating hormone and luteinizing hormone begins to respond. Thus an egg or ovum present in one of the ovaries begins to mature.

In the second phase starting from the 15th day of the menstrual cycle the egg or the ovum begins its journey from the fallopian tube to the uterus. Hormone 'progesterone' also shows volatile activity. And this in fact helps in preparing a uterine line for pregnancy. Now here if the egg or the ovum gets in contact with sperm cells then the woman gets pregnant but if it does not then the egg gets absorbed within the body. And during the menstrual period the progesterone and estrogen levels in a woman's body drops down. Also the lining that is created sheds down during menstruation.

It is very important here that women calculate as well as monitor their menstrual period. This is essential to know what is happening in her body. The best way to do it is by marking it in calendars or by making a chart. With a marker you can simply darken the date of your "first day"or " second day" and also the "last day".

You can also track the flow of menstruation during the period. You just need to write "H" for heavy, "M" for medium and "L" for low menstruation in the calendar. Also you can write the any premenstrual symptoms that you experience during the menstrual cycle. In this way every month you can compare and thus keep track of your menstrual periods.

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