Why is my transplanted hair not growing after 13 months? (Photo)

Hi Doc, I have had FUE hair transplant 13 months back from Turkey. There is a spot in my hairline where the hair is just not growing. I can see the tiny hair popping out of the skin and it looks like the hair is starting to grow but it has been the same since the four month mark. My surgeon had examined and was surprised too. She asked me to wait for couple more months as roots seem to be there but the hair just does not seem to grow in that area with time. It does not seem normal. Please help.