What does it mean when a woman looks at a guys crotch?

Anonymous
Brief background.

was talking to another girl, when I noticed this girl looking at me. So when I caught her looking, she quickly looked away as if she wasn't caught.

The second time, I was chasing after a guy to get them to check some forms I had filled in, when I noticed her staring at me again. So I looked at her and she held strong eye contact with me for 2-3 seconds before I started talking to the guy.

Today, I had an accident at work and I was talking to her to seek her advice. I was sitting in a chair and she was standing. As we were talking we were making eye contact, as you do. But then she went from eye contact to down to my shirt and then slowly further to my crotch, before she went back to eye contact.
What does it mean when a woman looks at a guys crotch?
4 Opinion