heavy to light

so my last period was AWFUL it was so heavy and tmi there were soooo many blood clots and it was awful. i had to change my pad every 30 minutes and i had to wear super tampons and heavy pads at the same time and it was barley not leaking. but now this period is like almost wayyyy lighter... it started out as brown and now there’s blood and yes it’s still heavy but not as bad as last time or any time before that. it still fills up tampons but not a whole pad or anything like that. i did have a pregnancy scare right before this and i did just start exercising which i heard could affect your period. so i’m a little confused and was wondering if this is normal??