Hi Cali.
It depends for me.
When I was taking depo vovera for birth control they stopped completly.
Now I am fixed--and they are useless and still present.
I have really heavy ones as in hemorraging--or I have very light and bearable ones--all dependant on how much I am excersicing in life-playing hoops, kickboxing, jogging, being hyperactive-ect.
currently they are moderate because I'm not ready to be very healthy just yet.
But a few years ago when I discovered this pattern in myself I was really amazed.
Also, for me the length of time of period periods changes from 3 days (an excersiser) to 7 days (an obedient couch potato napper)
I am forced to work manually and work out for 3 hours most weeks in between couch potato sittings -thus the current 5 days moderate
I hate bleeding-especially when I no longer need or want the uterus in there.
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"I'm sorry Katya, my dear, but where we come from, your what's known as a pet; a not quite human novelty. It's why we brought you.... It's nothing to be ashamed of, my dear, but here you are and here you'll sit."