With regard to the fetus immune system development in utero

Last updated: 2/17/2024

With regard to the fetus immune system development in utero O a The baby immune system development occures only after birth Ob It occures to molecules that cross the placenta only Oc None of them Od It occures to pathogens that cross the placenta only Oe It occures to all molecules that are present in the fetus including the placental antige