Magnetic resonance imaging of sexual intercourse: Initial experience

The objective of this study was to investigate sexual intercourse with magn etic resonance imaging (MRI), A volunteer couple (30 year-old male, 27-year -old female) with a normal sex life, had face-to face sexual intercourse (r eversed missionary position) under MRI Static and dynamic T2-weighted sagit tal sequencies were acquired on the midline before and during vaginal penet ration. In this position, before penetration, The vagina was parallel to th e pubococygeal line and had normal anterior convevity. After penetration, a ccentuation of The vaginal convexity was observed, produced by the penile g land reaching the anterior cul-de-sac and contact With the a anterior vagin al wall. The posterior bladder wall was pushed forward and upward, the uter us upward and backward. In this initial experience, ive observed a preferen tial contact of the penis in erection with the anterior vaginal wall and th e anterior cul-de-sac in the face-to-face sexual position. MRI allows a non invasive assessment of sexual intercourse.