Most women will find that staying on the medication is more of a benefit than a risk. There can be side effects with anything, but you and your doctor will have to weigh the benefits against any risks.
Prozac and Zoloft are two of the more common antidepressants used in pregnancy when such medication is needed. It is usually suggested to take the minimum necessary that helps you. This site might answer some more questions, but obviously speak to your doctor. Since you have to wait to actually see one in person, maybe you could call and explain the situation and get an answer over the phone?
http://www.otispregnancy.org/pdf/prozac.pdf