Influenza virus infection on the impact of mother and infant?

After the light of pregnant women infected with influenza less affected, symptoms are mild and rarely cause abortion, premature and stillbirths, teratogenic. And severe influenza infection, the abortion rate of 10 percent, while a premature rate increase. Early infection during pregnancy can cause abnormal embryonic development, resulting in congenital malformations or stillbirth.
Severe influenza on the lives of pregnant women have great threat more seriously, could lead to death.