Background Currently, FM is a sole subjective index which depends on self-assessment of pregnant women, and it can objectively reflect the well being of intrauterine fetus. It has been the focus of obstetricians' research and attention how to quantify fetal movement (FM) and change it into a relatively objective evaluation index. We sought to predict and evaluate the well being of intrauterine fetal with umbilical cord around the neck (UCAN) by performance of daily fetal movement counting chart (DFMC). Methods To retrospectively select 100-case pregnant women who met the enrolled requirements, and whether the fetal was intrauterine safety or not was predicted by analysis of the DFMC before delivery. According to the different perinatal outcomes after delivery, 100-cases pregnant women were divided into intrauterine safety (IUS) group (44 cases) and intrauterine unsafe (IUNS) group (56 cases). And the independent risk factors of fetal intrauterine safety, including maternal age, gestational week, umbilical artery systolic blood flow to diastolic blood flow ratio (S/D), amniotic fluid index (AFI), modified Fischer score of non stress test (NST), DFMC and mode of delivery were analyzed by multi-factors Binary Logistic Regression. Results Only FM and mode of delivery were independent risk factors affecting fetal safety intrauterine (all p value < 0.05). There was no remarkable difference between DFMC prediction and clinical retrospective evaluation of fetal safety in natural delivery and forceps delivery (all P value > 0.05), except in cesarean section (p < 0.05). The sensitivity, specificity and Yuden index of DFMC for predicting the intrauterine safety in natural vaginal delivery were 86.5%, 90.0% and 0.77 respectively, and in cesarean section were 66.7%, 94.6% and 0.61, respectively. Abnormal DFMC may account for the highest proportion of emergency cesarean section (87.5%, 35/40). Conclusions DFMC can effectively predict and evaluate the well being of intrauterine fetus with UCAN. At the same time, it can also provide limited clinical proofs for pregnant women with UCAN to choose model of delivery.
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