Article
The impact of cigarette smoking on zona pellucida thickness of oocytes and embryos prior to transfer into the uterine cavity
31 Dec 2003
Abstract excerpt
BACKGROUND: Smoking has been reported to promote infertility. The zona pellucida plays an important role in fertilization and implantation. We report, for the first time, the effect of cigarette smoking on zona pellucida thickness of oocytes and embryos as one of the factors that may interfere with fertility. METHODS: This study comprised 169 women, grouped according to their smoking habits: 31 active smokers,...
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