How often a woman has sex depends on the person, and is closely related to age. Most women have sex more often before the age of 30, and 2-3 times a week is normal. Due to individual differences, some people may have sex once a week. This is not an abnormal phenomenon, mainly with the physical and energy is directly related. As we age, the frequency of sex will decrease. Especially after menopause, the interval between sexual intercourse will be longer, maybe once a month. This is mainly based on individual needs and personal experience, and is a normal phenomenon. Some people still have sex every week after the age of 50, which is not abnormal. So there is no hard and fast rule on how often to have sex clinically. As long as it suits you, you have quality sex every time, and you can reach orgasm is the time you need.