People on here will say no some say yes your best answer will come from your personal gyno or doctor ;)
(I would think it's not good because of the chemicals)
From what I have read after your first trimester you can but because of all your hormones the perm may not take. But ask your Dr 1st!!
Yes u should not because one the chemicals and fumes are way to harsh and with ur hormones ur hair may not come out right