Cigarette smoking affects female fertility is a long known fact. Menopause too sets in earlier in heavy smokers.
Recently ,a study was conducted to compare IVF outcomes in smoking women. It was found that women who smoked less had a better chance of conceiving than women who smoked more than 10 cigarettes daily ,even with eggs donated by non-smokers.
AdvertisementHeavy smokers also tend to have multiple births according to the results obtained from the study. 60% of the heavy smokers had multiple births whereas only 31% of the nonheavy smokers had them.
It is now confirmed that smoking affects the womb and makes it less receptive to the embryo and reduces the chances for implantation and pregnancy.
Dr Sergio Soares, of the IVF Clinic in Lisbon and his team claim that their findings are the first to show that heavy smoking has an intense effect on the uterus. He added , "Even if fertilisation takes place, heavy smokers have less chance of achieving a successful pregnancy."
The scientists compared the results of in-vitro fertilisation (IVF) treatments using eggs donated by non-smokers on 44 smokers who smoked more than 10 cigarettes a day and 785 women who smoked less.They were all married to non-smokers.
"The non-heavy smokers had a significantly higher pregnancy rate, with over half becoming pregnant (52.2 percent), compared with just over a third (34.1 percent) of the heavy smokers," Soares reported.
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