Because it is used to denote the end of a sentence period.

Period selehone newa..Otherwise eko Comma neber yemibalew

Congratulations lady. I'm sure you'll be a wonderful mother😆

Age, pregnancy Plus who cares I can't wait for this shit to stop

Period stops because it has finished it's purpose, that is removing the unfertilized egg with the inner lining of the uterus.

If u mean menopause it stops cuz u have finished all the eggs u were carrying in ur ovaries

Menopause or pregnancy...congratulationsssss tho i cant wait to get rid of this mf