Second trimester (14-26 weeks)
Key facts
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Vaccination against whooping cough is recommended for pregnant women in their second or third trimester, between 20 and 32 weeks.
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Whooping cough is also called pertussis. It is a serious bacterial infection of the nose, throat and lungs. It can be severe or life threatening for small babies.
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Vaccination against influenza is also recommended for women who did not have the vaccine during their first trimester. You can have both the whooping cough and influenza vaccines at the same time.