Article / Updated 03-26-2016
With the explosion of genetic technology, there is a whole menu of options for detecting genetic abnormalities in your baby, and many of them can be done in the first trimester. The options fall mainly into two categories: screening tests and diagnostic tests.
A screening test will take bits of information about the developing fetus that can be collected and used to estimate the probability that your baby has certain genetic abnormalities and is usually expressed as a ratio (1/100, 1/1,000, 1/10,000, and so on).