So far, more than 60 people have tested the Ohnut, and a clinical trial is in the works. The Ohnut is made of a super stretchy material so that it can fit many men without being painful for them. Anything from endometriosis to infections to cancer treatment to simple size differences can mean that intimacy is accompanied by excruciating pelvic pain for women. Frustrated, she 'came up with this wild idea to optimize the Sex with donuts of penetration and hack together a very Sex with donuts prototype,' she says. Lesions on its surface can form, and take painful friction, and muscle spasms in the vagina can even make it and the surrounding organs tense up, which is the opposite of the relaxation that Sex with donuts supposed to happen as a woman's body prepares for sex. According to a survey, only about 40 percent of doctors even ask their patients about sexual problems, and just 29 percent discuss discuss sexual satisfaction with them.