By Claudia Boyd-Barrett As Karla Garcia of San Francisco watched her third child grow, she had a feeling something was different.
At 4 months old, Brianna still couldn’t keep her head steady or lift it up when she was on her stomach, a milestone babies typically reach by two months old.
She also didn’t hold her mother’s gaze or look intently at other familiar faces. That’s something babies normally do within their first month of life.
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