Hot bath

Ok so I just found out on Tuesday that I'm pregnant. Wednesday I got into a car accident my little truck got totaled by an 18 wheeler. Luckily I walked away with just bruises and some pain so I decided that I wanted to take a really hot Epsom salt bath today. Is it a good idea to take an extremely hot bath. I already took it but I'm not sure if that was a good idea. Plus I have some slight brown and pink discharge is that normal? The doctors said that I'm not far enough along for the accident to have caused a miscarriage but I'm still worried.