Many things can damage your sperm, including being overweight, smoking, older age, and exposure to harmful chemicals. Being overweight can reduce your fertility because it lowers your sperm quality, including sperm count and movement. It also makes you more likely to produce abnormal sperm. Being overweight also reduces testosterone male sex hormone production, which can cause sexual problems, such as difficulties getting an erection.
Does Alcohol Kill Sperm? And Other Fertility Facts
How Does Alcohol Affect Male Fertility? — Altora Health
We know about the harmful effects of drinking while pregnant , but what about drinking before pregnancy? And how does drinking affect male fertility? Is it a big deal? Should you even worry about it? Alcohol, even in moderate amounts, can affect your sexual health.
Men: moderate weekly alcohol consumption could lower sperm quality
So why does alcohol cut your chances of having a baby? The Chief Medical Officers' alcohol unit guidelines does not have specific advice on the effects of alcohol on fertility. But they do have specific guidelines for those trying to conceive. Recent reviews have shown that the risks of low birth weight, preterm birth, and being small for gestational age all may increase in mothers drinking above one to two units a day during pregnancy. Women who wanted to reduce that risk need to be particularly careful not to drink more than they intended to.
Drinking alcohol — even in moderation — can have a dramatic effect on the reproductive system. It can impact hormone production and decrease semen parameters such as sperm count, motility, morphology, and concentration. A large Danish study of healthy young men between the ages of found that even modest drinking habits — as little as 5 drinks per week — can negatively affect the amount of sperm produced , the concentration of sperm per milliliter of semen, and the morphology of sperm a measure of how well-formed the sperm are. As you might expect, the more alcohol a person drinks regularly, the more serious the effects on sperm quality.