Hi and welcome to mm
This sounds typical for peri menopause. Periods can be lighter, heavier, closer together or further apart. Periods will often stop for months and then start up again.
Nobody can tell you how long this will go on or whether flushes etc will subside.
How old are you?
Read up all the factual info on this site to get clued up so you can prepare for what is to come and understand your options regarding any treatments you may wish there to try. DG x