"For pregnant women considering getting the vaccine, are you aware of any data or theoretical reason why vaccinating early vs late in pregnancy would be preferred? And any sense of when there will be more robust data on vaccine risk in pregnant women?" Walensky noted that more than 15,000 pregnant women had already enrolled in the CDC's V-safe vaccine safety monitoring system. "It's pretty clear that pregnant women should get vaccinated," he said. It really is pretty clear that pregnant women should get vaccinated.”