Smoking Dad can have fewer grandchildren – Vasterbotten Courier

The Sons of men who smoked during pregnancy have fewer sperm as adults, according to a new doctoral thesis.

314 young men were examined in the study at Lund University and it turned out that the father’s smoking during pregnancy have a greater significance for the sons ‘sperm than the mothers’ smoking has been, writes Sydsvenskan.

Sperm lacking in contrast egg cell repair enzymes can repair the damage from chemicals. Smoking is thought to damage the father’s sperm, which then gives the effects on the fetus that accompany into adulthood.

In the end, it may mean that smoking fathers have a harder time getting grandchildren.

The study shows also that women who had high levels of phthalates in their blood during pregnancy must sons with smaller testes and lower sperm volume. Phthalates are used as softeners in plastics and can be found in a variety of products such as shower curtains, floor mats and erasers.