Cold sores

Hey everyone! I’m 38 and TTC. My period is due tomorrow and I hope it doesn’t come. My boyfriend and I have really tried the last two weeks to conceive. 🤞. But has anyone else broke out in cold sores on their lips due to TTC? I’ve read s few articles and that’s what it said. It said that it could be from pregnancy or due to a period coming on. I know that it’s viral and because of either hormones or my immune system is low. I’m just really frustrated. 😔.