Seeking help and I don't really know where else I could ask this sort of question. My 11 y.o boy is average height for his age and about 115lbs. He's got that broad stocky sort of build overall but doesn't look fat/overweight except for his lower-half. His bum is VERY big for a boy his age. It is a chore to find uniforms that fit. It's like he carries excess fat on his hips, thighs and legs where it isn't distributed evenly across his whole body. My older sister has lipedema and when I look at him it sort of reminds me of that.
Is this some sort of hormonal change or another condition that I'm not aware of? Or is it simply a weight issue?