Stress anxiety disorder medication and pregnancy

Patient: I am a 23 year old woman that is on 10mg of escitalopram for my stress anxiety disorder, my doctor prescribed me with an alternative that can cause miscarriages but i can not remember what it is as i have thrown away the precription, but my boyfriend and i are planning to start tryin for a baby in february, please i would like to know if there is an alternative that i can take when trying and when pregnant.