Menstrual Cycle Counting

The egg cell produced by the ovaries every 28 days . What controls the cycle ? Menstrual Cycle Counting Some changes in the reproductive system is controlled by hormones . Hormones are chemicals produced by the body to control the metabolic processes in the body . Changes that occur each month on the female reproductive organs is called the menstrual cycle . On a woman's menstrual cycle occurs every certain period , eg 28 days . However, the menstrual cycle varies for each individual , ranging from 20-40 days . The changes that occur during menstruation involves cooking eggs and thickening of the lining of the uterus to receive a fertilized egg cell . If the egg cell in the ovary cook , thicken the uterine wall . More or less on day 14 of the menstrual cycle of 28 days , resulting egg cell from the ovary , and is known as the
ovulation . The egg is kept alive for 24-48 hours , and move along the fallopian tubes toward the uterus or the uterus . The egg can be fertilized when there are live sperm in the fallopian tubes for 48 hours before or after ovulation . If the egg is not fertilized in the fallopian tubes , it will be whole ( broken ) . Uterine lining will shed and bleeding occurs. These events occur every month , and is known as menstruation . The duration of menstruation lasts for 4-6 days . shows the changes during the menstrual cycle . When menstruation takes place , another egg begins to experience cooking . Rahim also began to thicken in preparation for receiving the other egg . Menstruation occurs when the organ started breeding girl started masak.Pada most girls , the first menstruation occurred at the age of 8-13 years old , and continued until the age of 45-55 years . In the 50s Cycle Counting periods become irregular and stop for good , this event is called menopause .