Eight couples—including one couple who were street acrobats—and three single women took part in the study, which involved 13 experiments.
Eight couples—including one pairing who were amateur street acrobats—and three single women took part in the study, which involved 13 experiments. Three couples had sex twice, and the single women achieved orgasm without a partner, according to the study.
Once they had found enough volunteers and gained their consent, the researchers asked them to visit a university hospital in the Netherlands. First, the women had their pelvises scanned while lying on their backs. Then the men were asked to enter the room and have sex in the missionary position. After this, the men were asked to leave and the women instructed to bring themselves to climax. The women let the researchers know when they were-orgasm, so they could snap an image. 20 minutes after the women achieved orgasm, researchers took the final image.
Only one couple was able to have sex without Viagra. The authors wrote:"The reason might be that they were the only participants in the real sense: involved in the research right from the beginning because of their scientific curiosity, knowledge of the body, and artistic commitment.The team found that while having sex in the missionary position, the penis became boomerang-shaped, and a third of its length consisted of the root of the penis.
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