What Is SMA Type 1 and Could It Affect You? Jesy Nelson's Twin Daughters Were Just Diagnosed With It

Spinal muscular atrophy is a rare genetic disorder causing progressive muscle weakness, now in focus after Jesy Nelson shared her twins' diagnosis.

SMA explained: The rare genetic condition affecting Jesy Nelson's twins

Jesy Nelson, who gave birth to twins Ocean and Story prematurely in May, said the girls were diagnosed with type 1 spinal ...
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Here's what a perinatologist does and why some pregnant moms need to see one

Also called a maternal fetal medicine specialist, a perinatologist knows high-risk pregnancies inside and out.