Genital malformation of baby boy refers to the abnormal development of reproductive organs of newborn baby boy. This deformity may be congenital or caused by trauma. Congenital malformation is usually caused by abnormal gene expression. Male genital malformation includes many different types, each of which has its own specific performance and influence.

Common male genital malformations include:

1.** Testicular malformation * *: It may be manifested as abnormal number of testes (such as azoospermia, monozygotic or multiovular), abnormal size (such as testicular hypoplasia or teratoma), abnormal position (such as testicular fusion, cryptorchidism and ectopic testes), etc.

2.** Vasectomy * *: It may include congenital absence of vas deferens, communication between vas deferens and ureter, and repeated vas deferens.

3.** Penile malformation * *: It may include complete loss of penis, concealed penis, congenital penile torsion, double penis, penis too big or too small, phimosis, upper and lower hypospadias, etc.

4.** Congenital malformation of prostate seminal vesicle * *: It may be manifested as hypoplasia of prostate and absence of seminal vesicle.

The treatment of male genital malformation depends on the type and severity of malformation. Some minor deformities may not require special treatment, while severe deformities may require surgery or other interventions. For example, for hypospadias, surgical repair may be needed; For severe penile deformity, plastic surgery may be needed.

Early diagnosis and treatment of male genital malformation is very important. If parents suspect that their children have genital deformities, they should seek the help of professional doctors for diagnosis and treatment as soon as possible. Correct treatment can help children recover their normal functions and avoid future complications, such as infertility or sexual dysfunction.