By MotherToBaby and experts from the Centers for Disease Control and Prevention (CDC) At 16 weeks pregnant, Maria is busy planning a summer trip for her family. But lately, every time she opens her phone, she sees another headline about measles outbreaks. It makes her pause and wonder: What does this mean for me and my baby? What is measles, and why are people worried about it? Measles is a highly contagious virus that spreads through the air when someone who is sick with measles …

