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Female sexual dysfunction FSD is a condition that ranges from a lack of libido to an inability to achieve orgasm, it affects 40 to 45 percent of women. Two University of Michigan researchers were intrigued after learning that neuromodulation treatments for bladder dysfunction occasionally led to improvements in sexual function.
In this treatment, a patient receives nerve stimulation therapy once a week to improve neural signaling and function in the muscles that control the bladder, the nerves controlling the pelvic organs start out in the same location in the spinal cord and branch out.
The nerves that travel down to the foot overlap near the spinal cord with some of the nerves to the pelvic organs, leading to a possible overlap in synaptic routes. In the rat studies researchers stimulated nerves in the genital and ankle region. After 15 to 30 minutes, the rodents experienced a strong increase in vaginal blood flow.
Researchers recruited nine women with FSD (and without bladder problems) for a pilot study. Each woman received 12 half-hour sessions of transcutaneous electrical nerve stimulation in which participants had electrodes placed either in the genital region or on the ankle.
A 53-year-old woman who got involved with the study after reporting difficulty achieving orgasm to her gynecologist, described the experience as “a bizarre, pressure vibration sensation.” Eight of out the nine women reported some improvement in arousal, lubrication and orgasm. The study presents an alternative method for treating female sexual dysfunction that is non-pharmacologic and non-invasive.