Hey everyone! I've got a simple question, but it may not have a simple answer. Here it goes:

Is there any way to induce lactation without a women being pregnant? Such as taking certain vitamins and estrogen supplements?

My g/f and I are trying to find an answer because of a debate we were having, and also cause I think it would be interesting to see if it can be done.

I would appreciate any serious responses anyone can give. Thanks!