Thank you for replying back.
As you had first period a month ago on time and then five days after it ended, you got another period that was heavier.
This month your period is on time bit it was only three days an lighter.
There is nothing to worry.
The most common causes are:stress,being overweight or underweight,imbalance of hormones,polycystic ovarian syndrome/estrogen dominance,uterine abnormalities (fibroids/cysts/polyps/endometriosis).
Stress or anxiety can be the probable cause.You need to wait & watch for next 2-3 cycles & usually this will become normal.
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