The etiologies of delayed ejaculation can be age-related, organic, psychological, or pharmacological. Primary lifelong DEs are poorly understood and rarely explained by few congenital anatomic causes (viz.,
Müllerian duct cyst,
Wolffian duct abnormalities,
prune belly syndrome,
imperforate anus, congenital
ejaculatory duct obstruction, genetic abnormalities including
cystic fibrosis, etc.) • Anatomic causes (acquired ejaculatory duct obstruction) • Infective/Inflammation (residual damage from acute infections, chronic infections, urethritis, prostatitis, orchitis, genitourinary tuberculosis, schistosomiasis, lichen sclerosis, etc.) • Neurogenic causes (diabetic autonomic neuropathy, spinal cord or nerve root injury from trauma or disc prolapse,
multiple sclerosis, etc.). DE can be due to the injury to pelvic nerves responsible for orgasm from
trauma as a result of
pelvic surgery (viz.,
prostate surgery including transurethral resection of prostate and bladder neck incision,
proctocolectomy, bilateral sympathectomy, abdominal aortic aneurysmectomy, para-aortic lymphadenectomy etc.). Some men report a lack of sensation in the nerves of the
glans penis, which may or may not be related to external factors, including a history of
circumcision. • Some researchers believe that circumcision has a negative effect on men's ejaculation during sex, while others believe that circumcision has no effect. Those who believe in the negative effects of circumcision, such as a reduction of sexual sensitivity in the penis, claim that the part of the penis that is removed during circumcision is one of the most important and sensitive parts involved in receiving sexual pleasure, and that after its removal, sexual pleasure decreases. However, researchers who argue against the negative effects of circumcision on men's sexual pleasure, citing the research and conclusions of international medical bodies such as the
World Health Organization and important academic centers, state that circumcision does not have a noticeable effect on the sensitivity of the penis. • Endocrine (
hypogonadism,
pituitary disorders such as
hyperprolactinaemia and
Cushing's disease,
thyroid disorders, etc.). Although low testosterone level had been considered a risk factor in the past, more recent studies have not confirmed any association between ejaculation times and serum testosterone levels. • Delayed ejaculation is a possible
side effect of
alcohol Although they may increase sexual desire,
stimulants such as
amphetamines and
cocaine have an inhibitory effect on ejaculation, and can cause erectile dysfunction and reduced penile sensitivity via their
vasoconstrictive effects. • Psychological (acute psychological distress, relationship distress, psychosexual skill deficit, disconnect between arousal and sexual situations, masturbation style and frequency, etc.) • Psychological and lifestyle factors have been discussed as potential contributors, including insufficient sleep, distraction due to worry, distraction from the environment, anxiety about pleasing their partner and anxiety about relationship problems. • Religious guilt over sex can cause delayed ejaculation. • "Spectatoring", the problem of perceiving sex as a performance rather than a mutual experience and process of pleasure "in the moment" can cause delayed ejaculation. and lack of desire for stimuli are also proposed risk factors for DE. The word "idiosyncratic" means something that pertains to an individual. In this case, it means a person who has a way of masturbating that is unique (or out of the ordinary). Most men stroke their penis with their hand in a way that vaguely imitates the stimulation from intercourse. An idiosyncratic style is defined as a technique not easily duplicated by a partner utilizing their hand, mouth, anus, or vagina. In these patients, delayed ejaculation is adaptation to a certain masturbatory technique. In 1998, psychologist Lawrence Sank wrote about "traumatic masturbatory syndrome", when the sensations a man feels when masturbating may bear little resemblance to the sensations he experiences during intercourse. Factors such as pressure, angle and grip during masturbation can make for an experience so different from sex with a partner that the ability to ejaculate is reduced or eliminated. One in three men with DE report idiosyncratic masturbation. Also, high-frequency masturbation is associated with prolonged DE in penetrative sex with the partner accounting for another one third of the cases. Fantasy/partner disparity – that is to say, variant sexual fantasy during masturbation that was not incorporated into sex with their partner – accounted for one in five DEs. According to the
DSM-5-TR, "Delayed ejaculation is associated with highly frequent masturbation, use of masturbation techniques not easily duplicated by a partner, and marked disparities between sexual fantasies during masturbation and the reality of sex with a partner." •
Intravaginal ejaculation disorder is a peculiar Japanese case, but is very similar to "traumatic masturbatory syndrome", which is also mainly caused by intense masturbation. ==Diagnosis ==