Stress while pregnant

Basically I am about 4/5 weeks pregnant, and I stress out a lot! After having a major argument today with my oh, that lasted all day, shouting, crying and being general stressed out I am really really worried. I have had two misscarraiges before and really can’t go through another one! I have started to cramp it is just a dull pain staying there it isntgetting any worse and it’s also not agony. I’m just scared incase ive hurt my baby 😔😔 any thought ???