TTC on anti depressents and had chemical pregnancy last month due to stress.

Can someone give me on advice on anxiety and stress while ttc. Tried coming off them but didnt work. Went all bi polar on everybody... i had a chemical pregnancy last month... felt the implant faint pos then bam.... couldnt get off the toilet just heavy bleeding gushing out.

My point being, am i to stressed to concieve and how do i not be...