Question

Transplacental transmission represents which type of pathogen transmission?

Options

• Vector-borne transmission

• Airborne transmission in utero

• Direct transmission from mother to foetus

• Indirect transmission through breast milk

Answer 1

Transplacental transmission is a direct transmission route where pathogens pass directly from the infected mother to the foetus through the placental barrier. Examples include HIV and certain viral infections that can cross the placenta without requiring intermediate agents.