You absolutely can. The American College of Obstetrics and Gynecology (ACOG) recommends that people who are trying to get pregnant get vaccinated. People who get the flu while pregnant are at a higher risk for serious illness and complications. You will have full protection 2 weeks after immunization. Choose the flu shot instead of the nasal spray vaccine (called FluMist) if you’re trying to get pregnant soon. The nasal spray contains the live virus and should not be used during pregnancy.