Periods started again. Please guide me.

Hello doctor, I am 43, having thyriod problem, taking medicine eltroxin, had renal angioplasty on 2005, taking Ecosprin 75 Av , having lil asthma problem take inhaler only when wether changes, detected diabetes 20 days back and taking Ayurvedic treatment. Last year September 2019, I stopped my with lots of bleeding with heavy clots, before from six months my periods were very heavy, done all treatment, then doctor told me stop medication n told let go naturally, so since September I dint had periods but last five days back on 25th may 2020, I started again my periods with very normal bleeding, may be I started yoga n walking from last one month as I detected from diabetes doctor told me to do walking n yoga n also diet plan also changed, just want to ask is it normal having periods with very low bleeding, intially in my regular periods I used to have bledding till 3 days after its reduced and on 5 th day stopped, but presently it's not stopping..so please guide me..thanks