All pregnant women at 16 - 36 weeks should receive a dose of Tdap vaccine against pertussis in order to ensure the transfer of specific antibodies to their babies.
Usually, the newborn babies receive the Tdap as part of the 6-in-one vaccine (Infanrix Hexa) at 2, 4 and 6 months of age. The single Tdap vaccination for pregnant women aims therefore to offer protection for newborn babies from birth and till they will reach 2 months.
Pregnant women may receive this vaccine after their 36th week of the pregnancy, but it may not provide a maximum protection.
In the case of babies born before 32 weeks, it is recommended that the family contacts to receive the Tdap vaccine to protect the newborn.