Believe it or not, it is assuming the pelvis is present, it is very easy to determine sex. Just look at the pubic arch, just inferior (below) the pubic symphysis. Narrow (less than 90 degrees) is male wide (more than 90 degrees) is female. There are a few other details like the shape of the iliac crest and the size of the pubic cavity but the pubic arch is the simplest.
Believe it or not, it is assuming the pelvis is present, it is very easy to determine sex. Just look at the pubic arch, just inferior (below) the pubic symphysis. Narrow (less than 90 degrees) is male wide (more than 90 degrees) is female. There are a few other details like the shape of the iliac crest and the size of the pubic cavity but the pubic arch is the simplest.