Having an Irregular menstrual cycle is not a serious problem and is common among girls. In general, irregularity in the menstrual cycle continues even after two to three years have passed since the beginning of menstruation, and it results from incomplete maturity of the ovaries. In order to ensure the regularity of the menstrual cycle, the date of menstruation must be monitored for a period of three months. If the cycle (from the beginning of the first day of menstruation to the date of the first day of the next menstruation) is between 21-35 days, then it is considered normal and regular. But if it is shorter than 21 days or longer than 35 days, it is considered irregular and requires consultation by a physician.

Among the most common reasons for the irregularity of the cycle are being underweight and below the normal range; unhealthy eating habits, vitamin deficiency, obesity and having excessive weight above the normal range; strenuous exercise, in addition to exhaustion, psychological tension, thyroid gland disorder, hormonal imbalance, polycystic ovaries PCOS.

Menstruation: It is the discharge of blood and tissue from the uterus as a result of the shedding of the endometrium in the absence of fertilization of a mature egg.

Menstrual cycle: It is the natural hormonal changes that occur to a woman’s body every month in preparation for pregnancy, and it begins at puberty and ends at menopause.

Its duration reaches approximately 28 days, and may range between 21-35 days, as the first day of menstruation is the first day of the menstrual cycle and

ends with the beginning of the next menstruation.