Here I compare some poser figures. See how they are all the "same" when scaled to the same shoulder height :

The problem is allways between the legs.

Blender also has a problem between the legs for the Shrinking of clothing.

Poser 1, 2, 3, 4, 5, 7, P8 and PPro2010, P9 and PP2012, P10 and PP2014 Game Dev
"Do not drive faster then your angel can fly"!