The most primary sign of menstruation is the bleeding from the vagina. Besides these some females may also experience other symptoms at the time of menstruating like fatigue, headache, bloating, cramping, sore breasts, cravings for food, irritability and mood swings. The PMS generally appears one or even two weeks before the start of the menstruation and it can appear to women at any age.
There are various reasons that can affect the period of a woman. Various problems may be caused die to hormonal imbalance like fatigue, hair loss, depression and allergies. The hormonal balance generally occurs due to the incorrect relationship between the estrogen and progesterone levels.