I'm not sure, but I don't necessary think zoloft can harm a fetus. What I do know is that you are not suppose to stop taking zoloft cold turkey. It will make you very sick. Your doctor is suppose to help you get off of it gradually. Also, abruptly quitting the pill (before you have finished the pack) can also do weird things to your body. If I were you I would call my doctor and ask her what she thinks, or sometimes if I need to know an answer to important medical question immediately, i'll call a local hospital, and if a nurse or a doctor is available they will answer it for me.
-help that helps..Take care.