Many diseases can cause male infertility, such as congenital and urinary tract cracking. The specific reasons are as follows:
Congenital penis
Congenital small penis is an important congenital penis developmental abnormal disease that causes male infertility. It means that men's penis is still in a child -like state after entering adolescence. The shape of the penis is normal.Abnormal and other potential endocrine function is insufficient.The abnormal development of congenital penis can affect sexual intercourse, and severe cases will lead to infertility.Congenital peniles develop and conceal the penis patients are mainly manifested as non -erection and sexual intercourse.
Urethral cracking
Men's urethral opening is abnormal: two types of urethral cracks and urethral cracks.Urethral cracking is more common. According to statistics, there are about 8 of about 8 birth baby boys, and the urethral cracks are rare, and about 1 of every 95,000 birth babies.Men's urethra is the only way for sperm to discharge in vitro. It opens normally in the front and middle part of the penis head. This anatomical location is conducive to shooting sperm in the female vagina during sexual intercourse., Can hinder sexual intercourse and cannot shoot semen into the female vagina, causing male infertility.Ureate cracks are divided into coronary grooves, penile, penis scrotum type and perineum according to the four positions of the urethra.Among them, coronary grooves are more common, accounting for about 87 %, which causes male infertility.
(Editor in charge: Internship Zhang Yiwen)
