Post op d&e

Just left Dr office, he said my urine still is showing a faint positive pregnancy test. He wants me to come back in Jan 10 for another follow up. He said that based on the tissue he removed during my d&e it wasn't a molar pregnancy which he said he was worried about. He also said that based on all the bleeding I had he reccomends we don't try again for atleast 2 of my period cycles. He also gave me a prescription for a low dose of zoloft. I cried the whole appointment. I had my d&e Dec.14 my last scan was dec.13 when I should have been 11w baby stopped at 8w. I am afraid to take the zoloft, anyone else taken it post miscarriage and was able to stop? I dont want to be dependent on a medication.