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Implantation in humans is a complex process that is temporally and spatially restricted. Over the past decade, using a one-by-one approach, several genes and gene products that may participate in this process have been identified in secretory phase endometrium. Herein, we have investigated global gene expression during the window of implantation (peak E2(More)
BACKGROUND The polycystic ovary syndrome is a common cause of infertility. Clomiphene and insulin sensitizers are used alone and in combination to induce ovulation, but it is unknown whether one approach is superior. METHODS We randomly assigned 626 infertile women with the polycystic ovary syndrome to receive clomiphene citrate plus placebo,(More)
Endometriosis is clinically associated with pelvic pain and infertility, with implantation failure strongly suggested as an underlying cause for the observed infertility. Eutopic endometrium of women with endometriosis provides a unique experimental paradigm for investigation into molecular mechanisms of reproductive dysfunction and an opportunity to(More)
There is growing interest in the possible health threat posed by endocrine-disrupting chemicals (EDCs), which are substances in our environment, food, and consumer products that interfere with hormone biosynthesis, metabolism, or action resulting in a deviation from normal homeostatic control or reproduction. In this first Scientific Statement of The(More)
Histological evaluation of endometrium has been the gold standard for clinical diagnosis and management of women with endometrial disorders. However, several recent studies have questioned the accuracy and utility of such evaluation, mainly because of significant intra- and interobserver variations in histological interpretation. To examine the possibility(More)
To study the cellular patterns of gene expression of the insulin-like growth factor (IGF) system in human endometrium during the menstrual cycle, we used in situ hybridization histochemistry to localize messenger ribonucleic acids (mRNAs) encoding IGF-I and -II, their receptors, and their binding proteins (IGFBPs) in fresh-frozen endometrial tissue obtained(More)
OBJECTIVE To evaluate the incidence of monozygotic twinning (MZT) in pregnancies conceived after blastocyst transfer compared to cleavage-stage transfer. DESIGN Retrospective study. SETTING University IVF program. PATIENT(S) All IVF patients with viable pregnancies conceived during a 4-year period. INTERVENTION(S) Blastocyst transfer or day 3 ET. (More)