What about chest tightness?

Hello, due to the sudden decrease of sex hormones in the body before menstruation, it will affect the whole system and have a certain reaction. These reactions generally appear on the 7th-14th day before menstruation, and get worse on the 2nd-3rd day before menstruation, then gradually relieve and disappear after menstruation. These obvious changes are called premenstrual tension in medicine.

The general manifestations are: (1) mental symptoms are the main symptoms: common nervousness, irritability, general fatigue, weakness, and sometimes headache, insomnia, inattention, etc. ⑵ Physical symptoms are the main symptoms: common hand, foot and face edema, abdominal flatulence, abdominal distension in some people, constipation, abdominal pain and breast pain in most girls.

What you said is normal, don't worry too much, pay attention to observation, it is normal to advance or postpone menstruation for about five days, I wish you health!