Most studies show that pregnant women are at increased risk for influenza. This risk is higher if you
have an underlying medical condition, are elderly or have exposure in the third trimester. About the
diagnostic tests, the RT- PCR has demonstrated be the most sensitive and specific for the detection of
AH1N1/09 virus. Pregnancy should not be regarded as a contraindication for the use of drugs such
as oseltamivir or zanamivir since the benefits of treatment outweigh the theoretical risks of the use
of antivirals. No statistically significant differences in the use of oseltamivir against zanamivir. The
aim of this article is to review the literature on the state of the art virus AH1N1/09 in pregnancy,
diagnosis, treatment and prevention. A search in the databases MEDLINE and COCHRANE studies on
Influenza AH1N1/09 in pregnancy.