Yes I have been getting highlights since about 16 weeks, like people said make sure it's well ventilated
I've dyed mine about twice already. I had all the windows opened and had the vents and fans going while I did it
Yes just make sure its a well ventilated area and have a professional do it
I used ammonia free dye, and dyed my hair 4 times while I was pregnant, healthy pregnancy, delivery and baby(:
After you reach second trimester, you can dye your hair. Just no bleaching! Also, make sure its ammonia free.