Needing some comfort and or advice

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So My daughter had her 6 month check up today and they told me She has to go see a head specialist. The doctor said her head is in the less than 1 percentile and her soft spot in her skull that’s supposed to give her brain room to grow is way to small. Has anyone gone through this before? If so any advice on how to deal with it. I’m just so afraid for my baby.