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Cardiovascular and Endocrine Alterations After Masturbation-Induced Orgasm in Women

From the Department of Medical Psychology (M.S.E., M.S.), University Clinic Essen, Essen, Germany; and the Divisions of Clinical Psychiatry (A.B., T.K., U.H.) and Nuclear Medicine (F.S.), Hannover Medical School, Hannover, Germany.

View larger version (34K): [in a new window]   Fig. 1. The experimental paradigm consisted of an experimental and a control session, each lasting 60 minutes. Each subject completed both sessions, with endocrine, genital, and cardiovascular parameters monitored continuously throughout each session.

View larger version (18K): [in a new window]   Fig. 2. Subjective arousal rating (before, during, and after experiment) (a) and VPA (mm of pen deflection) (b), analyzed in 10-minute intervals for the experimental and control conditions. Data are mean ± SE. ***p < .001; **p < .01.

View larger version (18K): [in a new window]   Fig. 3. Heart rate (beats per minute) (a) and systolic (b) and diastolic (c) blood pressure (mm Hg), analyzed in 10-minute intervals for the experimental and control conditions. Data are mean ± SE. ***p < .001; **p < .01; *p < .05.

View larger version (17K): [in a new window]   Fig. 4. Plasma concentrations of adrenaline (a), noradrenaline (b), and cortisol (c), analyzed in 10-minute intervals for the experimental and control conditions. Data are mean ± SE. **p < .01; *p < .05.

View larger version (24K): [in a new window]   Fig. 5. Plasma concentrations of prolactin (a), LH (b), ß-endorphin (c), and FSH (d), analyzed in 10-minute intervals for the experimental and control conditions. Data are mean ± SE. ***p < .001; **p < .01; *p < .05.

View larger version (19K): [in a new window]   Fig. 6. Plasma concentrations of testosterone (a), progesterone (b), and estradiol (c), analyzed in 10-minute intervals for the experimental and control conditions. Data are mean ± SE.