Posted April 15, 2015 I believe that cavewoman knew that unless they didn't masturbate which is impossible. Masters and Johnson were the first researchers to determine that the clitoral structures surround and extend along and within the labia. They observed that both clitoral and vaginal orgasms have the same stages of physical response, and found that the majority of their subjects could only achieve clitoral orgasms, while a minority achieved vaginal orgasms 0 Share this post Link to post Share on other sites
