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| First-trimester placental volume and vascular indices in the prediction of small-for-gestational-age neonates |
| DONG Xiu-juan, ZHANG Li |
| Department of Ultrasound, Xuzhou Maternity and Child Health Care Hospital, Xuzhou Jiangsu 221009, China |
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Abstract Objective: To evaluate the ability of first-trimester placental volume and vascular indices to predict small-for-gestational-age(SGA) birth weight pregnancies. Methods: Retrospective comparative analysis placental volume, multiples of median(MOM）, Doppler vascular index in 242 single pregnancy at 11~13 weeks+6 without complications, fetal malformations in our hospital between appropriate-for-gestational-age(AGA) and SGA at delivery. Results: The placental volume and MOM in the SGA group were significantly lower than those in the AGA group(AGA 74.32±20.28, SGA 51.57±11.65, P=0.008; AGA 1.00±0.05, SGA 0.93±0.04, P=0.004). There were no significant differences in vascular indices, including vascularization index(VI), blood flow index(FI) and vascularized blood flow index(VFI)(VI: P=0.602, FI: P=0.561, VFI: P=0.490). Conclusions: The placenta volume measured by three-dimensional ultrasonography in 11~13 weeks+6 can predict SGA, while the vascular indices have little effect on SGA.
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Received: 26 April 2017
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