Reports to the Vaccine Adverse Event Reporting System after hepatitis A and hepatitis AB vaccines in pregnant women

Objective To characterize adverse events (AEs) after hepatitis A vaccines (Hep A) and hepatitis A and hepatitis B combination vaccine (Hep AB) in pregnant women reported to the Vaccine Adverse Event Reporting System (VAERS), a spontaneous reporting surveillance system. Study Design We searched VAERS...

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Bibliographic Details
Published in:	American journal of obstetrics and gynecology 2014-06, Vol.210 (6), p.561.e1-561.e6
Main Authors:	Moro, Pedro L., MD, Museru, Oidda I., RN, Niu, Manette, MD, Lewis, Paige, MSPH, Broder, Karen, MD
Format:	Article
Language:	eng
Subjects:	Abortion, Spontaneous - epidemiology Adult Adverse Drug Reaction Reporting Systems Female Hepatitis A - immunology hepatitis A hepatitis B combined vaccine hepatitis A vaccine Hepatitis B - immunology Humans Infant, Newborn Obstetrics and Gynecology Pregnancy Premature Birth - epidemiology surveillance United States - epidemiology Urinary Tract Infections - epidemiology vaccine safety Viral Hepatitis Vaccines - adverse effects
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Summary:	Objective To characterize adverse events (AEs) after hepatitis A vaccines (Hep A) and hepatitis A and hepatitis B combination vaccine (Hep AB) in pregnant women reported to the Vaccine Adverse Event Reporting System (VAERS), a spontaneous reporting surveillance system. Study Design We searched VAERS for AEs reports in pregnant women who received Hep A or Hep AB from Jan. 1, 1996-April 5, 2013. Clinicians reviewed all reports and available medical records. Results VAERS received 139 reports of AEs in pregnant women; 7 (5.0%) were serious; no maternal or infant deaths were identified. Sixty-five (46.8%) did not describe any AEs. For those women whose gestational age was available, most were vaccinated during the first trimester, 50/60 (83.3%) for Hep A and 18/21 (85.7%) for Hep AB. The most common pregnancy-specific outcomes following Hep A or Hep AB vaccinations were spontaneous abortion in 15 (10.8%) reports, elective termination in 10 (7.2%), and preterm delivery in 7 (5.0%) reports. The most common nonpregnancy specific outcome was urinary tract infection and nausea/vomiting with 3 (2.2%) reports each. One case of amelia of the lower extremities was reported in an infant following maternal Hep A immunization. Conclusion This review of VAERS reports did not identify any concerning pattern of AEs in pregnant women or their infants following maternal Hep A or Hep AB immunizations during pregnancy.
ISSN:	0002-9378 1097-6868