4 weeks pregnant first pregnancy

Hello ladies,

So idk if I’m over thinking or if this is even a thing or if it’s just a coincidence. But lately since I found out I was pregnant, mostly this week I’ve been super cold almost all day long. I usually run hot and I sleep in shorts and a shirt now I actually need to dress really warm for bed because I’m cold. Is this normal for a pregnancy? Or am I just overthinking is it something to worry about? Or is it maybe just a coincidence that I’m suddenly cold these days while being pregnant