3 periods of screening
1. Preconception
Can
be useful to identify people a risk for specific disorders or at risk for
passing a disorder onto their children.Screening includes obtaining family
histories and carrier screening and is particularly valuable in countries where
consanguineous marriage is common.
2. Peri-conception of Screening
Maternal
characteristics may increase risk, and screening result should be used to offer
appropiate care, according to risk.