"According to California law, all babies born in the state must have the Newborn Screening Test completed, which includes a blood draw. The test can only be refused if it conflict’s with a family’s religious beliefs. Blood is taken from the heel of a baby between 12 and 48 hours of age, and sent to a state-approved lab to be tested for 80 genetic and metabolic disorders. Hepatitis can be efficiently transmitted from an infected mother to her child during birth, although chronic infection can be prevented if a baby is treated within 12 hours after birth."

They'll even call the cops to get that blood sample!

Holy Fuck! That's the future here - now - in your living room with guns drawn.

Luckily, there's this new technology which can avoid those unpleasant scenes:

Found this paper - don't recommend reading it - title tells you all you need:

Noninvasive Prenatal Testing for Blood Group and Platelet Antigens from Cell-Free Plasma DNA Using Digital PCR