Yes. Changes in your body's hormone levels before your period can cause physical and emotional changes. And this is known as PMS (premenstrual syndrome). PMS includes the following symptoms ・feeling bloated ・breast tenderness ・mood swings ・feeling irritable ・spotty skin ・low sex drive (loss of libido) During menstruation, symptoms such as menstrual cramps, swelling, and anemia may be observed. If menstruation is heavy, symptoms that interfere with daily life may be observed. Symptoms vary from person to person and do not necessarily indicate a serious illness. However, it is a good idea to consult a physician if you have any concerns.