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Epidemiologia e Serviços de Saúde
Print version ISSN 1679-4974On-line version ISSN 2237-9622
Abstract
FARIAS, Norma Suely de Oliveira et al. Occurrence of hepatitis B in pregnant women and follow-up of exposed children in the State of São Paulo, Brazil, in 2012. Epidemiol. Serv. Saúde [online]. 2020, vol.29, n.2, e2019443. Epub Apr 22, 2020. ISSN 1679-4974. http://dx.doi.org/10.5123/s1679-49742020000200018.
Objective:
to describe the occurrence of hepatitis B among pregnant women, immunoprophylaxis and vertical and perinatal transmission in children exposed to the virus in the São Paulo state primary care network, Brazil.
Methods:
this was a cross-sectional study using prenatal records of pregnant women attending health services between January and June 2012 and a cohort of newborns; the frequencies of the results were described and the estimated occurrence of hepatitis B was calculated.
Results:
6,233 pregnant women were included, of whom 53.1% were between 20-29 years old, 58.7% had 8-11 years of schooling, 53.3% were white, and 73.9% lived with a partner; occurrence of hepatitis B was 0.13% (95%CI 0.04; 0.21); of the eight children of mothers with chronic hepatitis B, six had a complete vaccination schedule, and there was no vertical or perinatal transmission.
Conclusion:
there was low occurrence of hepatitis B in pregnant women and absence of vertical or perinatal transmission.
Keywords : Hepatitis B; Pregnant Women; Prevalence; Epidemiologic Studies; Vaccination; Infectious Disease Transmission, Vertical.