[orwin]

I think "lack of fertility" to design low sperm count/inviable spermatozoids is accurate. Lack of virility would be impossibility to use your own penis for different reasons. 10-8 year ago i knew a trans who was fertile and could give sperm to her lesbian friends, but lacked virility.

The female counterpart of virility should be femininity.

DNA and knowledge of the specific of procreation is probably as recent as the use of fertility.

Wanted to comment about obesity but i guess most people said what i wanted to say, so i'm rebounding on a tangent for my own self-esteem, sorry.