You’ve probably heard a lot about tummy time, and you probably still have tons of questions about this much-discussed baby activity. What is it? Why is it so important? When do you start tummy time and when do babies roll over? What if my baby hates it?
A:
With everyone from health professionals to social media momfluencers talking up the activity, it might even feel like parenting “homework.” As an expert in play and development...