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BACKGROUND Although Caesarean scar pregnancy (CSP) is rare, it can cause life-threatening complications. The increasing rate of Cesarean delivery plus rapid development of in vitro fertilization-embryo transfer (IVF-ET) may increase the occurrence of CSP as well as the ratio of heterotopic CSP (HCSP)/CSP. Therefore, early diagnosis and management of CSP are(More)
OBJECTIVE To investigate a forecasting method developed to predict first trimester pregnancy outcomes using the first routine ultrasound scan for early pregnancy on days 27-29 after ET and to determine whether to perform a repeated scan several days later based on this forecasting method. DESIGN Prospective analysis. SETTING Infertile patients at an(More)
STUDY QUESTION Do early pregnancy losses (EPLs) with and without embryos differ in chromosomal distributions? SUMMARY ANSWER The chromosomal abnormality rate is significantly higher in miscarriages with embryos than without after in vitro fertilization (IVF)-embryo transfer. WHAT IS KNOWN ALREADY Chromosomal abnormalities are the main causes of EPLs,(More)
OBJECTIVE To observe the differences between anisometropic amblyopes and normal people when all of them were asked to discriminate those topological and non-topological pictures embedded in Gauss noises. METHODS Stimulus pictures (noise variance were 0.04, 0.08, 0.12 respectively) were run using Matlab software, the error ratios of identification of(More)
BACKGROUND According to previous studies, even after embryonic cardiac activity is detected, the pregnancy loss rate remains 3-4 %. The objectives of this study were to investigate the differences in ultrasound parameters between a miscarriage group and an ongoing pregnancy group during the 1(st) trimester and to build a logistic model to predict early(More)
The purpose of the study is to evaluate the correlation between ultrasound findings and abnormal karyotypes in early pregnancy losses (EPLs) after in vitro fertilization-embryo transfer (IVF-ET). This retrospective analysis assessed 2172 cases of EPL after IVF-ET occurring between January 2008 and December 2013. The cases were examined via transvaginal(More)
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