The causes of the sexual difficulty could be physical or psychological. However, most cases will involve physical and psychological elements, although the balance may vary considerably from person to person. Coital difficulty requires appropriate investigations and treatment. When the cause is predominantly psychological, normal sexual functions may be restored through psychosexual therapy. In many cases, nothing more than sex education of both partners is necessary.
Some men are concerned about the size of their penis and their ability to father a child.
The size of the penis is generally unimportant so long as penetration is achieved. If the cause of coital failure is predominantly physical, normal sexual activities are unlikely to be restored without some form of medical or surgical treatment. Sexual problems in the partner Psychological trauma such as sexual abuse, rape or traumatic childbirth. This could have been the result of an injury such as spinal cord injury, surgery such as prostatectomy and surgery in the bladder neck, or diseases such as multiple sclerosis. Deficient blood flow to the penis e.g. blocked arteries.