I’m freaking out!! Please help!!

So I’m now 6 weeks 5 days pregnant and everything seems to be going fine, but I’m covered in hives. They’re down my arms and my legs. I’ve only had them for a few days. Here’s where I’m concerned; I had a miscarriage in July from stress. I broke out in hives from all the stress and the same night I started bleeding lightly. My hives went away after a few weeks and within a few days to a week after they disappeared I miscarried. I was 9 weeks 4 days. I haven’t been all that stressed with this pregnancy, but I’m broke out in hives yet again. I broke out around the same time as my last pregnancy too. Any suggestions or advice anyone could give me???