Retrograde ejaculation means that the patient feels orgasm and ejaculation during sexual intercourse, but no semen is ejected from the urethral opening. The semen travels retrograde from the posterior urethra into the bladder with the ejaculation movement. As sexual desire increases during sexual intercourse, semen leaks into the posterior urethra, and ejaculation occurs when orgasm is reached. At this time, the bladder neck is closed under the control of sympathetic nerves, preventing the backward flow of semen into the bladder, and allowing the semen to be ejected from the external urethra orifice. Therefore, retrograde ejaculation can occur regardless of any cause of bladder neck insufficiency or excessive membranous urethral resistance.
Cause:
①Congenital factors:
span>Congenital wide bladder neck, congenital urethral valve or urethral diverticulum, congenital spina bifida. These congenital diseases cause bladder neck hemiplegia and increased membranous resistance of the urethra, resulting in retrograde ejaculation.
②Iatrogenic factors:Mainly include various bladder neck and prostate surgeries, thoracolumbar surgeries Sympathectomy, extensive retroperitoneal lymph node dissection and other pelvic surgeries result in nerve root resection or injury, resulting in insufficiency of the bladder neck and retrograde ejaculation.
③Mechanical factors: Traumatic and inflammatory urethral strictures lead to ejaculation due to increased urethral resistance When semen is blocked. Traumatic pelvic fractures often cause damage to the posterior urethra and lead to stenosis. At the same time, the fracture fragments can destroy the structure of the bladder neck, causing poor closure of the bladder neck and causing retrograde ejaculation. In addition, long-term difficulty in urinating can also reduce the tension of the bladder neck, resulting in weak closure.
④ Disease factors: Diabetes can be complicated by retrograde ejaculation, and spinal cord injury can cause patients to lose the ability to ejaculate. Or retrograde ejaculation, the incidence rate is higher.
⑤Drug factors:Taking α-adrenergic receptor blockers, such as reserpine, ethidium, benzalkonium chloride and benzyl bromide, can cause weak smooth muscle contraction and cause retrograde ejaculation.
⑥ Idiopathic factors: Some reasons are unknown.
This article is provided by Baidu Reading and is excerpted from \”The Clear \”Conception\” Plan\” Author: Sun Jianqiu and Xie Yingbiao