Why Do Women Have Orgasms? If female orgasm isn't biologically necessary, Why then would women be so much more able to have multiple orgasms than men? Learn surprising facts about female orgasms and women's sexual health at WomansDay And as many as 80 percent of women have difficulty with orgasm from vaginal. We don’t fully understand why some women experience multiple orgasms and others do not. In part, it may have to do with expectations about sex and orgasm. After all, even one orgasm is difficult for some women to experience, so some women may be happy with one orgasm and may not even try to have a second orgasm after their first.