According to the CDC (Centers for Disease Control), "Both seasonal flu shots and 2009 H1N1 flu shots are recommended for pregnant women at any time during pregnancy".
The CDC has an online site specifically for pregnant woman (or, those who are trying to conceive) and what information they need to know about H1N1 flu and the vaccine:
- CDC: What Should Pregnant Women Know About 2009 H1N1 Flu (Swine Flu)?
- 2009 H1N1 Influenza Shots and Pregnant Women: Questions and Answers for Patients
Let us know if you have any additional questions!