the experiment that changed how medicine understands the human bod
Ynetnews••health
Key Points:
- In 1991, a Dutch couple participated in a groundbreaking MRI study capturing real-time images of sexual intercourse, providing unprecedented insight into human anatomy during intimacy and challenging long-held medical assumptions.
- The study revealed that the penis curves inside the female body during erection rather than moving straight in and out, and discovered that about one-third of the penis remains inside the body even when flaccid, overturning centuries-old anatomical beliefs.
- Researchers also observed unexpected female physiological responses, such as the uterus shifting upward and the vagina lengthening during arousal without penetration, and noted a rapid filling of the bladder during intercourse, a phenomenon still unexplained.
- Published in 1999 in the British Medical Journal, the study became one of the journal’s most
