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Revealing the Hidden Mechanisms of Smoke-Induced Fallopian Tubal Implantation.

Journal article
Authors Linus Ruijin Shao
Shien Zou
Xiaoqin Wang
Yi Feng
Mats Brännström
Elisabet Stener-Victorin
Håkan Billig
Published in Biology of reproduction
Volume 86
Issue 4
ISSN 1529-7268
Publication year 2012
Published at Institute of Neuroscience and Physiology, Department of Physiology
Institute of Clinical Sciences, Department of Obstetrics and Gynecology
Language en
Keywords Fallopian tubes, Female reproductive tract, Human reproduction, Implantation, active and passive smoke
Subject categories Obstetrics and women's diseases


Ectopic pregnancy (EP) is an enigmatic reproductive disorder. Although tubal EP is difficult to predict, several hypotheses about its etiology have been proposed. In retrospective case-control studies, smoking is associated with an increased rate of EPs in the Fallopian tube. Studies of experimental animals in vivo and human Fallopian tubal tissues in vitro have suggested mechanisms of Fallopian tubal damage and dysfunction induced by nicotine and other smoking-related chemicals that may explain this association. However, the pathogenesis of smoking-induced modulation of implantation leading to tubal EP is largely unknown. Since cigarette/tobacco smoke adversely affects the success of intrauterine implantation, there is a great need to determine how embryo implantation occurs in the Fallopian tube in female smokers of reproductive age.

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