I There I'm 37 I Have Had 3 Misscarriages 3

I there I'm 37 i have had 3 misscarriages 3 optic preganices and i'm sure i have one tube left,Over a week ago my partner and i had sex I spotted for about 5 days and the other night had sex again and now i'm blooding heavy and have blood clots my period should be due soon and i dont usually get heavy period and it only last around 2-3 days