Any experience with mono while pregnant?

I know exhaustion in pregnancy is a given, especially during the end, but I am starting to wonder if I am dealing with more than just regular exhaustion. I am 32 weeks and even when I do sleep decently I am so tired during the day that just running a single errand leaves my muscles weak and shaky and I can barely keep my eyes open. I’ve had a sore throat for a week which is pretty uncommon for me. Normally if I get a cold I have a sore throat 2-3 days max. My hubby had to stay home after lunch on Tuesday because I had gone grocery shopping with our 3 year old and almost fainted in the kitchen. I had mono about 8 years ago and it sucked enough then. Am I just being paranoid? Any thoughts?