Menstrual cycle enhanced during the luteal phases of the menstrual cycle. This is due to the higher metabolic demand during this phase. In particular, women tend to show a cravings for chocolate, with higher cravings during the luteal phase. Females with premenstrual syndrome (PMS) report changes in appetite across the menstrual cycle more than non-sufferers of PMS, possibly due to their oversensitivity to changes in hormone levels. In women with PMS, food intake is higher in the luteal phase than follicular. The remaining symptoms of PMS, including mood changes and physical symptoms, also occur during the luteal phase. No difference for preference
Menstrual cycle biological factors; however, illnesses, certain surgeries, or medical treatments may cause menopause to occur earlier than it might have otherwise. The length of a woman's menstrual cycle typically varies somewhat, with some shorter cycles and some longer cycles. A woman who experiences variations of less than eight days between her longest cycles and shortest cycles is considered to have regular menstrual cycles. It is unusual for a woman to experience cycle length variations of more than four days. Length variation between eight and 20 days is considered as moderately irregular cycles. Variation of 21 days or more between a woman's