The doctor in the Forbidden City tells you that smoking to kill sperm is true, and X's crazy smoking is no exception; Smoking will affect sperm quality, increase abnormal sperm, affect pregnancy probability and cause infertility. Therefore, you should quit smoking and alcohol a few months before pregnancy (3-6) because alcohol is more harmful.

More and more studies have found that smoking is closely related to male fertility. This paper discusses the effects of smoking on semen quality, zinc, copper and superoxide dismutase in seminal plasma of infertile men and their correlation, and further reveals the relationship between smoking and male fertility.

Studies have shown that smoking can significantly reduce the number of sperm in epididymis and the concentration of testosterone and androgen binding protein in testicular vein. In addition, nicotine produced by smoking can directly affect spermatogenesis, and the nicotine concentration is greater than or equal to 1mm/L, which can obviously reduce sperm motility. Heavy smoking can also cause penile artery contraction, hemodynamic changes of testis and epididymis, and hinder the occurrence and maturation of sperm. There is a dose-effect relationship and time-effect relationship between smoking and semen parameters. Elderly people of moderate or heavy smoking or smoking age may have adverse effects on male fertility.