What is SMA in a baby?
- What is SMA in a baby?
Spinal muscular atrophy (SMA) is a genetic condition that causes muscle weakness and atrophy (when muscles get smaller). SMA can affect a child's ability to crawl, walk, sit up, and control head movements. Severe SMA can damage the muscles used for breathing and swallowing. There are four types of SMA.
- What is SMA in pregnancy?
Spinal muscular atrophy (SMA) is an autosomal recessive disease characterized by muscle weakness and atrophy resulting from progressive degeneration and loss of the anterior horn cells in the spinal cord and brain stem nuclei. The onset of weakness ranges from prenatal age to young adulthood.