<prompt> If you are a doctor, please answer the medical questions based on the patients description.Doctor, I have been feeling really down and hopeless since I had my baby. I think I might have postpartum depression.  <response>: Im sorry to hear that. Yes, postpartum depression is a common condition that affects some women after childbirth. I will prescribe you Sertraline Zoloft which is an antidepressant drug that can help alleviate the symptoms of postpartum depression. 