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Ejaculatory duct obstruction (EDO) is a pathological condition which is characterized by the obstruction of one or both ejaculatory ducts. Thus, the efflux of (most constituents of) semen is not possible. It can be congenital or acquired. It is a cause of male infertility and/or pelvic pain.
Each ejaculatory duct is formed by the union of the vas deferens with the duct of the seminal vesicle. [2] They pass through the prostate, and open into the urethra above the seminal colliculus. During ejaculation, semen passes through the prostate gland, enters the urethra and exits the body via the urinary meatus. [3]
English: A woman who squirts (i.e. expels urine) while masturbating. Not to be confused with female ejaculation, which is a secretion from the Skene's gland.
Non-infectious causes are also possible. Reflux of sterile urine (urine without bacteria) through the ejaculatory ducts may cause inflammation with obstruction. In children, it may be a response following an infection with enterovirus, adenovirus or Mycoplasma pneumoniae.
Balloon dilatation or transurethral ejaculatory duct resection are two treatments for ejaculatory duct obstruction. [27] In one study, tamsulosin-treated patients' symptoms significantly improved after four weeks of treatment. [5] This is also helpful for painful ejaculation following radical prostatectomy. [5]
In the case of structural retrograde ejaculation, pharmacotherapy might not work but surgical procedures can fix the bladder neck problem. [18] The blockage of the ejaculatory duct can be treated via transurethral resection of the ejaculatory duct (TURED) and is indicated for people with low sperm volume. [19]
After ejaculation, the latter part of the ejaculated semen coagulates immediately, [12] forming globules, [13] while the earlier part of the ejaculate typically does not. [14] After a period typically ranging from 15 to 30 minutes, prostate-specific antigen present in the semen causes the decoagulation of the seminal coagulum. [ 15 ]
Fluids are added by the seminal vesicles and the vasa deferentia turn into the ejaculatory ducts, which join the urethra inside the prostate. The prostate, as well as the bulbourethral glands, add further secretions (including pre-ejaculate), and the semen is expelled through the penis. Ejaculation has two phases: emission and ejaculation proper.