TORONTO The Ontario government is reviewing its official vaccine eligibility criteria for pregnant women, amid a sudden spike in severe COVID-19 symptoms among expectant mothers. “We have heard reports of the increased risk COVID-19 presents to pregnant women during the third wave and are actively looking into this,” a Ministry of Health spokesperson told CTV News Toronto in a statement. The Society of Obstetricians and Gynaecologists has officially called for pregnant women to be eligible for COVID-19 immunization now, citing a wave of pregnant patients filling Ontario intensive care units and requiring ventilators. “The modifications that happen naturally to the immune system of a pregnant woman are certainly very complex, paralleled with an infection that also has very complicated implications on the immune system,” Infectious Diseases Physician Dr. Ruchi Murthy told CTV News Toronto. “That overlap is probably why we’re seeing severe illness in those tha