
Predictive value of the vaginal Doppler ultrasound quantitative parameters combined with the levels of serum β-human chorionic gonadotropin and urinary iodine of pregnant women with threatened abortion for their prognosis
LIU Qian, CUI Hong, WANG Wenqin
Chinese Journal of Family Planning ›› 2025, Vol. 33 ›› Issue (5) : 1140.
Predictive value of the vaginal Doppler ultrasound quantitative parameters combined with the levels of serum β-human chorionic gonadotropin and urinary iodine of pregnant women with threatened abortion for their prognosis
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