To investigate the clinical value of second trimester maternal serum screening and umbilical artery Doppler for prediction of adverse pregnancy outcome.
探讨孕中期母血清标志物及脐动脉血流用于预测不良妊娠结局的临床价值。
To investigate the clinical value of second trimester maternal serum screening and umbilical artery Doppler for prediction of adverse pregnancy outcome.
探讨孕中期母血清标志物及脐动脉血流用于预测不良妊娠结局的临床价值。
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