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Smoking threat to having IVF baby


Active Member
Sep 10, 2004
Smoking has a devastating impact on a couple's chances of having an IVF baby, according to researchers.

A study by Dutch scientists found smoking adds the equivalent of 10 years to the reproductive age of a 20-year-old woman whose fertility is poor.

Being excessively overweight also seriously hindered the chances of giving birth after In-Vitro-Fertilisation (IVF) treatment, the research showed.

The harmful effects of both smoking and too much weight were strongest among women who had no obvious reason for not conceiving.

Doctors from 12 centres in the Netherlands investigated the success rate of the first cycle of IVF treatment in 8,457 women.

Causes of low fertility were divided into four categories: Fallopian tube problems, male fertility problems, unexplained problems and other reasons such as polycystic ovaries.

Of the total, 1,828 first IVF treatment cycles were for unexplained low fertility.

The overall live birth rate was 15.2%, but was almost 30% lower for smokers than for non-smokers.

For women with no known cause of low fertility, the live birth rate for smokers was 13% and for non-smokers 20%.

Women who smoked were also much more likely to have miscarriages. Around 21% lost their babies, compared with 16% of non-smokers.