Hepatitis B and pregnancy.
D005260:Female; D006509:Hepatitis B / Q000150:complications* / Q000517:prevention & control; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000517:prevention & control; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000517:prevention & control*