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The Impact of Paternal and Maternal Smoking on Semen Quality of Adolescent Men.


ABSTRACT:

Background

Maternal smoking during pregnancy has been reported to negatively impact sperm counts of the sons. Sufficient data on the effect of paternal smoking is lacking.

Objectives

We wished to elucidate the impact of maternal and paternal smoking during pregnancy and current own smoking on reproductive function of the male offspring.

Methods

Semen parameters including sperm DNA integrity were analyzed in 295 adolescents from the general population close to Malmö, Sweden, recruited for the study during 2008-2010. Information on maternal smoking was obtained from the Swedish Medical Birth Register, and regarding own and paternal smoking from questionnaires. The impacts of maternal, paternal and own smoking were evaluated in a multivariate regression model and by use of models including interaction terms. Totally, three exposures and five outcomes were evaluated.

Results

In maternally unexposed men, paternal smoking was associated with 46% lower total sperm count (95%CI: 21%, 64%) in maternally unexposed men. Both paternal and maternal smoking were associated with a lower sperm concentration (mean differences: 35%; 95%CI: 8.1%, 55% and 36%; 95%CI: 3.9%, 57%, respectively) if the other parent was a non-smoker. No statistically significant impact of own smoking on semen parameters was seen.

Conclusions

Prenatal both maternal and paternal smoking were separately associated with some decrease in sperm count in men of whom the other parent was not reported to smoke.

SUBMITTER: Axelsson J 

PROVIDER: S-EPMC3694111 | biostudies-literature | 2013

REPOSITORIES: biostudies-literature

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The Impact of Paternal and Maternal Smoking on Semen Quality of Adolescent Men.

Axelsson Jonatan J   Rylander Lars L   Rignell-Hydbom Anna A   Silfver Karl Ågren KÅ   Stenqvist Amelie A   Giwercman Aleksander A  

PloS one 20130626 6


<h4>Background</h4>Maternal smoking during pregnancy has been reported to negatively impact sperm counts of the sons. Sufficient data on the effect of paternal smoking is lacking.<h4>Objectives</h4>We wished to elucidate the impact of maternal and paternal smoking during pregnancy and current own smoking on reproductive function of the male offspring.<h4>Methods</h4>Semen parameters including sperm DNA integrity were analyzed in 295 adolescents from the general population close to Malmö, Sweden,  ...[more]

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