Experts want to expand maternal pertussis vax window by 8 weeks
It comes as two studies show antibodies are higher among women vaccinated earlier
![pregnant second trimester](https://www.ausdoc.com.au/wp-content/uploads/2022/08/pregnant_second_trimester_dreamstime_m_51984742-1.jpg)
Women can be vaccinated against pertussis earlier in their pregnancy under proposed advice from experts.
The current recommended window for vaccination is 28-32 weeks, but the Australian Technical Advisory Group on Immunisation (ATAGI) wants to expand that to 20-32 weeks.