Final answer:
During pregnancy, live vaccines that contain weakened forms of the virus or bacteria should be avoided. Pregnant women should consult with their healthcare provider to determine which vaccines are safe.
Step-by-step explanation:
During pregnancy, there are certain vaccines that should be avoided to ensure the safety of both the mother and the baby. Live vaccines, which contain weakened forms of the virus or bacteria, are generally not recommended for pregnant women. Some examples of live vaccines that should be avoided during pregnancy include the MMR (measles, mumps, and rubella), varicella (chickenpox), and nasal spray flu vaccines. It is important for pregnant women to consult with their healthcare provider to determine which vaccines are safe to receive during pregnancy.