Smoking and infertility

Smoking and Infertility

Despite the worldwide anti-smoking campaigns, smoking is quite common. It is known that there are risk factors for 35 different diseases, which are known to negatively affect the quality of life and even cause death, such as lung cancer, other types of cancer, respiratory diseases, cardiovascular diseases. Despite this, smoking has begun to increase especially in underdeveloped and developing countries. In addition, smoking, which is mostly used by men of reproductive age, causes reproductive functions to be adversely affected in men. Male smoking; It causes a decrease in sperm concentration, decrease in sperm motility, decrease in sperm count, decrease in sperm’s ability to pierce the egg cell of the woman and increase in DNA damage in the sperm cell. In conclusion, it is extremely important for infertile couples not to smoke or to quit smoking before starting the treatment in order to obtain successful results from the treatment. Since smoking is a risk factor that can be changed and controlled according to the will of individuals, quitting smoking should be a prerequisite for couples who will start infertility treatment.

The risks of smoking;

Since there are 11 million married couples in our country, it can be said that there are 1.1 million infertile couples. In today’s modern societies, in addition to widespread family planning studies against the danger of population growth, extensive studies are also carried out for infertile couples to have children.

Smoking Risk Known Risks;

Lung cancer 99%

Respiratory diseases 99%

Heart diseases 96%

Low 39%

Osteoporosis (Bone loss) 30%

Ectopic pregnancy (ectopic pregnancy) 27%

Infertility 22%

Early menopause 17%

It is known that smoking reduces the density and movement of sperm, has a negative effect on its morphology, and the density of sperm decreases by an average of 22% depending on the amount of cigarette smoked daily. Smoking also causes adverse effects on reproductive functions in men. Studies have reported that sperm concentration is 13-17% lower in smokers than in non-smokers. In the literature, it is emphasized that men who smoke a large amount of cigarettes, such as 1 or 2 packs a day, have more shape and movement disorders and anomalies in their sperm. Cigarette smoking, along with some other factors, can cause male infertility. Heavy smoking by men; It causes non-smoker spouses to be passively exposed to cigarette smoke, inhale nicotine, and impair reproductive functions.

SOURCE : National Committee on Smoking and Health (

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