Metformin treatment from first trimester to delivery did not reduce pregnancy complications in PCOS.

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The STAN clinical guidelines identify fetuses at risk of intrapartum asphyxia.

In the first trimester, PCOS women diagnosed according to NIH criteria were more metabolically and endocrinologically abnormal compared with those who only met the Rotterdam consensus criteria. BMI and FTI were independent predictive factors for blood pressure. There was a high prevalence of gestational diabetes mellitus in early PCOS pregnancies.

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The health authorities of Stockholm county recently published a Health Technology Assessment report: "Fetal monitoring with computerized STAN analysis during labor - a systematic review" with the aim to ensure that high quality research information on costs, effectiveness and broader impact of health technologies is analysed and presented in the most efficient way for those who use, manage and work in this field. The report claims to analyse available research in relation to ST interval analysis of fetal electrocardiogram (STAN) and concludes that scientific evidence for advantages of the STAN technology for maternal and fetal outcome was insufficient and that clinical use cannot be recommended and should be restricted to research protocols. The Norwegian reference group for fetal surveillance points out that the report suffers from two insufficiencies: selection bias by not providing a complete collection of the evidence for the clinical performance of the STAN technology and, secondly, that it does not provide evidence-based alternative methods.

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