What is an impending period?

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Burning feeling in the nipples can be caused by several things which are as follows: Irritation from bra. Irritation caused by soap and/or washing powder. Pregnancy. Period about to start.

Victorians

I believe it was the Classical era.

If you're on birth control and have missed any pills this can result in a early period. Alternatively pregnancy, irregular periods or hormone imbalance can also cause a early period.