Down syndrome appears approximately once in every

A) 100 live births.
B) 200 live births.
C) 700 live births.
D) 1,000 live births.

Live Births

The birth of a child who shows any sign of life, such as breathing, heartbeat, or movement, regardless of gestational age.

Down Syndrome

A genetic disorder caused by the presence of all or part of a third copy of chromosome 21, characterized by developmental delays and physical features such as a flat facial profile.