"A lot of the bloating symptoms are caused by water retention that is increased by hormonal changes associated with the menstrual cycle," he explains. "Increased blood flow to the uterus can cause uterine swelling, which also leads to a bloated abdomen."
Similarly, you may ask, how not to be bloated on your period?
If you tend to swell up before (or during) your period, be sure you're getting enough calcium (1,200 mg a day) and magnesium (200 to 400 mg daily) in your diet; both nutrients have been found to help relieve PMS symptoms such as bloating. You can also pop Midol, which contains two mild diuretics.
How long does it take period bloating to go away?
It may be accompanied by stomach cramps and backaches. Period bloating is when a woman feels her abdomen is heavy and swollen just before and at the start of her period. Bloating is also one of several premenstrual syndrome (PMS) symptoms that can occur 1-2 weeks before a woman's period.
How much weight do you gain during your period?
“Weight gain happens five days before your period, but you'll be back to normal once you start,” she explains. (Find out What Your Period Means for Your Workout Schedule.) Pre-period water weight can range from half of a pound to 10 pounds, usually averaging around five for most women, Dardik explains.