My babies femur is 3 weeks ahead of everything else since the 3rd tri. His is why they don't use u/s after 20 weeks to date pregnancies :)
No, it just means her legs are a bit longer than average. That's why it's called an average ;-) the legs of my little one were always ahead of the curve, even when her head and belly weren't. In the last ultrasound at 35 weeks, her femur measured at 40 weeks, while her head and belly did 36 weeks. Just means she's a taller/bigger baby than average. I'm 38 weeks pregnant today and still no sign of her