The unadjuvanted vaccine is recommended for all pregnant women at any stage of their pregnancy.
However if the unadjuvanted vaccine is not easily available, some pregnant women should consider getting the adjuvanted vaccine.
If you are more than 20 weeks pregnant, OR if you have a chronic disease (like asthma or diabetes), you are at greater risk for severe complications from the H1N1 flu. You should consider getting the adjuvanted vaccine that is available now.
The potential benefit of early immunity to the H1N1 flu virus (from getting the vaccine) is greater than the possible risk of receiving the adjuvanted flu vaccine.
If you are less than 20 weeks pregnant, and are healthy, you can wait to get the unadjuvanted vaccine. You are less likely than women in late stages of pregnancy or women with severe chronic disease to develop complications from influenza. Get the unadjuvanted vaccine as soon as it becomes available to you. If you want immunization with the adjuvanted vaccine, that is an option for you.
Women who are breastfeeding should receive the adjuvanted H1N1 flu vaccine in order to protect their health and the health of their infant.