baby walkingWhoever's daughter crawls first is the coolest! Whoever's son gets teeth earliest is destined to have an Einstein on their hands! Whoever's child drinks out of the sippy cup quickest wins a prize!

Or not.

Although often treated as a competition, baby milestones are more intended to serve as red flags. For instance, baby not sitting up by a year? Red flag. Baby crawling at 6 months? That's great, but ... doesn't necessarily mean you have a genius on your hands.

Here's a quick rundown of what you need to know about four big milestones -- and when it's okay to stop worrying!

 

Image via ella novak/Flickr