I dont know what happens in the steps of a miscarriage and need help

So i was told on the 24th of January my hcg wasnt rising like they should so i was going to end in a miscarriage. Well i have been bleeding soft and heavy starting on January 19th and ended on February 1st. Well today i had a SHARP pain in my lower stomach and it went away then this evening i went to pee and i felt lots of pressure on my hind end then i started cramping a lot more and now im bleeding heavier then spotting little less then a period bright red blood and cramping pretty bad is that normal miscarriage or so i go in to be checked?