Will having the flu during your first trimester of pregnancy cause your baby to measure small?

Not likely. Wrong dates is by far the most common reason for a small fetus in the first half of pregnancy. The influenza virus can cross the placenta and thus increase the risk of autism and schizophrenia in the offspring, if contracted during pregnancy. First trimester viral exposures generally follow the all or nothing rule - i.e. They either lead to miscarriage or do not affect the pregnancy. Talk with mfm.

Related Questions

Is it safe to get the flu vaccine at 9 weeks pregnant or should I wait until after the first trimester? Does the type of flu vaccine I get matter?

Influenza vaccine. A flu shot is the most important step in protecting against flu. The flu shot given during pregnancy has been shown to protect both the mother and her baby (up to 6 months old) from flu. The nasal spray vaccine should not be given to women who are pregnant. Read more...

What's the latest research regarding prenatal flu in second trimester and infant schizophrenia? I'm 16 wks preg. And have the flu...trying to gauge real risk from daunting studies that suggest 14% of schizophrenia cases are due to prenatal flu.

Low Risk. The reported connection between the flu and schizophrenia is a controversial topic. However, keep in mind that the rate of schizophrenia is 0.5-1% of the general population. Even if 14% of cases are due to flu exposure during pregnancy, you are talking about a very low percentage of risk. Stay calm and stay focused on your overall health. Read more...