heavy bleeding

hi all.

i started bleeding on thursday and my periods are super irregular like so irregular i havnt had one in a year. the bleeding has been so havey usally i can wear just a liner and it be enough i had to go buy bigger pads and am going through them like crazy. it is now sunday and nothing has changed. is this normal or could it be something else? any information helps thank you. also we have been trying for our second baby for a year now