The new guidance comes after the State Department suspended all applications for passports and CRBAs, which are birth records for U.S. citizens born abroad, that request an “X” sex marker or a ...

Chromosomal abnormalities occur in 0.1% to 0.2% of live births, and the most common clinically significant aneuploidy among live-born infants ... 2 types of sonographic markers suggestive of ...