Blue veins?

My period is due today and I have cramps so not sure 🤔 I'll test. Anyway but has any had puffy blue veins sticking out of your skin ? I don't have veins that show but last night when drying off I was thrown off a bit by my hands showing veins so vividly and textured like. I read pronounced veins can be signs of pregnancy 🤰🏻. Maybe?