pediatrician, neurologist
Hello! You should not worry about it, hair loss in the first months of life is the norm. The hair with which your child was born is very thin, similar to a down. Due to the fact that small children move their heads a lot, the hair begins to fall out. Over time, your baby will grow new and strong hair.
If you are taking vitamin D without a doctor's prescription, then you should stop giving it.
Editorial comment
We advise you to read the article, which tells about what he thinks Dr. Komarovsky about the causes of hair loss in children.