Congenital hypoplasia of reproductive organs or partial disconnection after trauma leads to obvious shortness of reproductive organs, and the physiological response (erection) can not reach the length of normal people. People with short reproductive organs have stunted secondary sexual characteristics, erectile dysfunction, and even dysuria in severe cases.

Varicocele: Vasodilation, distortion or prolongation of the blood vessels in the spermatic plexus caused by blood stasis in the spermatic vein. This disease is mostly caused by the blood reflux of internal spermatic vein. The main symptoms are scrotum drooping, swelling and pain after standing, walking for a long time or heavy physical labor, and the varicose veins in scrotum are earthworm-like masses. Patients with abnormal sperm increase will lead to infertility. Congenital penile curvature is a deformity caused by the development disorder of corpus cavernosum, and the penis bends to the femoral side. According to the location and nature of pathological tissues, congenital penile curvature can be divided into three types, namely, the absence of urethral cavernous body and its surrounding fascia, the dysplasia of fascia and tunica albuginea and the dysplasia of intima, among which the absence of urethral cavernous body is the most serious. The main symptom of this disease is penile curvature, accompanied by urination and sexual dysfunction.