It is also not known whether influenza virus vaccine can cause fetal harm when administered to a pregnant woman. (wellnessmama.com)
Influenza vaccines are Category B or C drugs, which means that adequate and well - controlled studies on pregnant women have not been conducted and it is not known whether these vaccines can cause fetal harm when administered to a pregnant woman or if they can affect reproduction capacity. (wellnessmama.com)
If nausea or lack of appetite cause you to eat less at times, don't worry — it's unlikely to cause fetal harm because your baby gets first crack at the nutrients you consume. (kidshealth.org)