HELP!!!!!

I’ve Been Trying To Conceive For Two Years My Hormones Are Great I Got Diagnosed With Endometriosis August 24,2017 & Was Put On Medication Went Back October 3rd The Endometriosis Was Resolved I’m Having Every Symptom Of pregnancy But Got A BFN The Day A’f Started Which Was October 21st But I’m Still Having Those Symptoms Could It Still Be Possible?