Usually is on the second and third day of period after drinking cold water or eating ice cream, else just normal flow.

At least 1 out of the few days will be heavy

I only have heavy flow during my menses

I have heavy flow in my 2nd day only

No cus I use pills so it’s light

for the first 2 days usually

It’s relatively normal

Mostly no Sometimes only

Once upon a time...

yeah first 2 days