Viral hepatitis in pregnancy.
D000293:Adolescent; D000328:Adult; D005260:Female; D005313:Fetal Death; D006525:Hepatitis, Viral, Human / Q000401:mortality*; D006801:Humans; D008428:Maternal Mortality; D009549:Nigeria; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000401:mortality*