The risk for having a child with Down syndrome a. Is approximately 1in 300 birth in mothers of normal birthing age b. Increases with the number of children the mother has had c. Increases with the number of live births the mother has had d. Increases to 1in84 birth for women over 40 and older
d. Increases to 1in84 birth for women over 40 and older.
a. Is approximately 1 in 300 births in mothers of normal birthing age.
d. Increases to 1 in 84 births for women over 40 and older.