The measles mumps and rubella (MMR) vaccine is not recommended once a person is pregnant because it contains a live virus that could theoretically be transmitted to the fetus.
Catalina Friesen got a call one night in February from one of her clients, a Low German-speaking mother in Aylmer, Ont. Her daughter had a rash that covered her body. The five-year-old had a fever and was coughing out of control.
‘This event underscores the seriousness of measles in pregnant individuals, as it can cause low birth weight for the baby, preterm birth, and miscarriage.’