2 resultados para reproductive medicine

em Aston University Research Archive


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OBJECTIVE: To estimate the prevalence and severity of postcesarean pelvic dysfunction. STUDY DESIGN: Using biopsychosocial interviewing at home, 184 postcesarean primiparas were compared to 100 vaginally delivered women regarding symptoms of stress incontinence, anal incontinence and dyspareunia. Delivery details were confirmed from medical records. RESULTS: Comparison of postcesarean vs. vaginally delivered women revealed stress incontinence in 33% vs. 54% and dyspareunia in 27% vs. 46%, both differences reaching statistical significance, unlike anal incontinence, which was manifest in 51% vs. 44%. When compared to emergency cesarean the relative risk of stress incontinence following an elective cesarean was 0.99 (0.71, 1.39), of dyspareunia 1.02 and of anal incontinence 1.05, indicating no statistically significant difference. Thirty (22%) stress incontinent and 4 (3%) fecally incontinent mothers used pads continuously, suggesting severe physical morbidity. Severe dysphoria (depression) was expressed by 41 (35%) stress incontinent mothers, 38 (30%) with dyspareunia and 34 (26%) with anal incontinence; the association of severe dysphoria with dyspareunia was statistically significant (OR = 2.504 [1.362, 4.602]). Few women came forward to seek help. CONCLUSION: Pelvic dysfunction was similar after elective or emergency cesarean. Compared to vaginal delivery, postcesarean stress incontinence and dyspareunia were less frequent but biopsychosocial morbidity could be severe.

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The past decade has seen considerable advances in our understanding of intrinsic developmental mechanisms associated with gametogenesis and embryogenesis and accompanying applications in the fields of reproductive medicine, embryonic stem cell biology, and nuclear reprogramming. However, a new focus has recently emerged concerning the homeostatic regulation of embryonic cells, how this is set, and how it may influence the longitudinal progression and optimization of the developmental program and indeed the phenotype of the offspring. Attention has been drawn to the preimplantation stage of development as a sensitive "window" when in vitro and in vivo manipulations, such as culture conditions or maternal diet, may have critical consequences. In this article, we review how changes in environmental conditions, mediated via a range of epigenetic, cellular, and metabolic mechanisms in the preimplantation embryo, may alter the pattern of cell division, gene expression, morphology, and potential. We consider how fetal and postnatal phenotype may become susceptible to the plasticity of the preimplantation embryo and the risks for adult health and physiology. Copyright © 2008 by Thieme Medical Publishers, Inc.