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Fertil Steril. 2003 Feb;79(2):287-91.

Semen quality of male smokers and nonsmokers in infertile couples.

Author information

1
Department of Obstetrics and Gynaecology, University of Berne, Berne, Switzerland.

Abstract

OBJECTIVE:

To investigate the effect of cigarette smoking on main sperm variables.

DESIGN:

Cohort study.

SETTING:

Men attending the andrology laboratory in the context of infertility investigation in the couple.

PATIENT(S):

Eight hundred thirty-nine smokers and 1,266 non-smokers were enrolled; 655 smokers and 1,131 nonsmokers fulfilled the inclusion criteria and were compared. Standard clinical analysis of semen.

RESULT(S):

Cigarette smoking was associated with a significant decrease in sperm density (-15.3%), total sperm count (-17.5%), total number of motile sperm (-16.6%), and citrate concentration (-22.4%). The percentage of normal forms was significantly reduced in smokers, and sperm vitality, ejaculate volume, and fructose concentration were slightly but nonsignificantly affected.

CONCLUSION(S):

Cigarette smoking is associated with reduced semen quality.

PMID:
12568836
[Indexed for MEDLINE]

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