Various theories abounded, such as the possibility that pregnancy urine contained certain identifiable crystals or bacteria. Scientists did not know enough about pregnancy to develop a reliable test.

Prenatal genetic testing has undergone significant transformation in Japan over the past 2 decades, reflecting advances in technology and the evolution of clinical practice. Maternal serum screening ...

Black women in the UK experience disproportionately poor maternal outcomes yet remain underrepresented in research on prenatal screening and diagnostic genetic testing (prenatal testing). We therefore ...

As racial disparities in maternal and infant health continue to widen, some physicians and researchers argue that newer forms ...