Quote Originally Posted by Chicken Little View Post
I think you need a CT scan to do this right. I tried all of the suggestions mentioned above, and came up with this obscure measurement that matched a giraffe pelvis in the third trimester.
If you got the same measurement again and again with all the suggested methods, maybe you just have sitbones that match a giraffe pelvis in the third trimester?

(mine are 170-190mm, and my hips themselves are not very wide. Sit bone width and hip width don't have much to do with each other)