It is normal for some adolescent boys to have no seminal emission, but it may also be related to frequent masturbation and abnormal development of the reproductive system.
1. Normal phenomenon: for some adolescent boys, no seminal emission and not accompanied by other uncomfortable symptoms, physical development is normal, is a normal phenomenon, do not need to worry too much.
2. Frequent masturbation: masturbation is a normal physiological phenomenon and sexual behavior, appropriate masturbation will not affect the health of the body. If the adolescent boy has frequent masturbation phenomenon, it may cause the boy no spermatozoa.
3. Abnormalities in the development of the reproductive system: when adolescent boys have abnormalities in the development of the reproductive system, such as urethral hypospadias, vas deferens, etc., can also be manifested in the absence of spermatozoa or spermatozoa delay.
For adolescent boys, they should learn relevant physiological knowledge and establish correct physiological concepts. Daily attention to adjust the mind, should also pay attention to rest, appropriate exercise and so on.