How to Determine First Day of Menstrual Cycle
The menstrual cycle is the common name given to the changes that occur in a woman's body on a monthly basis. The menstrual cycle is divided into separate phases: the follicular phase, ovulation and luteal phase. When the endocrine system releases increasing amounts of estrogen, the woman's body becomes stimulated and the body discharges blood. This occurs in the follicular phase. The follicles in the woman's ovaries will release an egg, and this is called ovulation. The egg will only live for about 24 hours in the body unless it is fertilized. During the luteal phase, the uterine lining will change for possible implantation of a fertilized egg. If a fertilized egg does not implant within about 2 weeks, then the woman's progesterone and estrogen levels will drop, causing the uterus to shed the egg and the thickened lining. This cycle is called menstruation. Knowing when the first day of your menstrual cycle is important for several reasons; thankfully it's easy to calculate the first day of your menstrual cycle.
1. Calculate the first day of your cycle for conceiving. It is helpful to know the first day of your menstrual cycle if you are trying to conceive a baby. In order to calculate when the first day of your cycle is, watch for the first signs of menstrual bleeding. This is considered to be the first day of your cycle. The cycle begins with the first day of bleeding and ends when you have menstrual bleeding again. Women are fertile when they ovulate; ovulation takes place usually about 2 weeks after the end of your last cycle.
2. Calculate the first day for social reasons. The average length of the menstrual cycle is 28 days, though it can range from 23 to 35 days long. Your menstrual cycle will start on the first day of menstrual bleeding; this is day 1. Count the number of days until you begin your next cycle of menstrual bleeding. The number of days from the first day of your last period to the first day of your current period is the length of your cycle. Most women have regular cycles, meaning they are the same length of time from month to month. Knowing that your cycle is 29 days long (or however many days long,) will let you plan your activities around your cycle. If you know that your period is going to start on September 13, you may not want to plan a beach vacation for that week.
3. Calculate the first day of your cycle for health reasons. Women who are having fertility issues, or who may be experiencing abnormal menstrual cycles, need to know when the first day of their cycle begins. The first day you begin seeing menstrual blood is day 1 of your cycle. Then, count the days until you begin your next round of menstrual bleeding. That is the length of your cycle. Chart this information for several months to see if there is a pattern involved. An irregular menstrual cycle may be important information to your doctor if you're having reproductive health issues.
Tags : How to Determine First Day of Menstrual Cycle, what is menstruation, what is the menstrual cycle
Source : wikihow.com
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