title: Transplacental transmission of hepatitis B virus.
mesh_terms: D005260:Female; D005315:Fetal Diseases / Q000635:transmission*; D006509:Hepatitis B / Q000635:transmission*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008431:Maternal-Fetal Exchange; D011247:Pregnancy