Hair dye?

Robyn • 🇺🇸33 |💍5.17.15 | 🎀 11.30.18 | 🎀 6.8.20

So I found out I was pregnant yesterday at 11dpo. I have a hair appointment on sunday. I was going to go back to my natural color. Do I need to cancel? Is it still early enough that I might be ok? No one seems to know.