Smoking during early pregnancy may have a dramatic adverse effect on babies’ fertility in later life, researchers have found.
Smoking while pregnent dramatically reduces the number of cells that form eggs in female foetuses and sperm in males. The number of these germ cells was cut by 55 per cent in the embryos of women who smoked compared to those of non-smokers.
The Danish study covered 24 embryonic tests obtained when women had undergone a termination at 37-68 weeks.
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