Did you taper off slowly or just quit cold turkey? This is too late to be said, but this is something to be done before you get pregnant so you have time to taper off slowly and avoid withdrawal symptoms. I'm a guy so I've obviously never been pregnant, but the reasons to not take the meds is to avoid birth defects and to avoid having a baby born with a brain on meds. As to the rest of your questions, they are best directed at your obstetrician, assuming you have one who talks to patients about such things.
anyway not take any antipsychotic drugs as it can affect your baby.
to control panic attack trying some safe beta blockers is sufficient. consult your doctor and will prescribe you suitable.
Is not a good ideea to take drugs when your pragnet. It can affect the baby.
Go make some CBT and read Dr. Clarie Weekes books Hope for your nervs