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Heavy smoking appears to cut the chances that an embryo will successfully imbed in the wall of the womb, research suggests.
Fertility experts examined pregnancy rates in women who underwent a cycle of IVF using donated eggs.
Researchers from Portugal and Spain, found 52.2% of light smokers became pregnant at the first time of asking, compared to 34.1% of heavy smokers.
They believe that suggests tobacco makes the uterus less receptive.
The study is published online by the journal Human Reproduction.
Lead researcher Dr Sergio Soares said: "The fact that we see this result in a situation in which the oocytes (eggs) were donated by other women demonstrates that cigarette smoking negatively affects the receptiveness of the uterus independently of its effect on ovarian function."
Fertility experts examined pregnancy rates in women who underwent a cycle of IVF using donated eggs.
Researchers from Portugal and Spain, found 52.2% of light smokers became pregnant at the first time of asking, compared to 34.1% of heavy smokers.
They believe that suggests tobacco makes the uterus less receptive.
The study is published online by the journal Human Reproduction.
Lead researcher Dr Sergio Soares said: "The fact that we see this result in a situation in which the oocytes (eggs) were donated by other women demonstrates that cigarette smoking negatively affects the receptiveness of the uterus independently of its effect on ovarian function."
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..anyways thnx for posting this information ketto
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