Congenital adrenal hyperplasia (CAH)

Congenital adrenal disease causing defective steroidogenesis (glucocorticoids, mineralocorticoids, or sex steroids).

Congenital rubella syndrome (CRS)

Severe birth defects due to Rubella infection during pregnancy, especially before week 12 of gestation.

Congenital syphilis (CS)

Severe, disabling infection that occurs due to the transmission of Treponema pallidum across the placenta during pregnancy or from contact with an infectious genital lesion during delivery.

Congenital varicella syndrome (CVS)

Spectrum of fetal anomalies associated with maternal varicella zoster virus (VZV) infection during the first trimester of pregnancy.