The president signed an order advising states to revise their rules. He also called for narrowing which vaccines are administered to children and splitting shots into multiple appointments.
The White House staff secretary replaces David Warrington, who is leaving for the private sector.
The Democratic congresswoman, 36, said she made the decision to undergo the fertility procedure to “feel more in control of my life.”
The left-hander, a former protégé of the departed Foster Griffin, delivered a solid performance in Washington’s 8-2 victory over Cincinnati.