Correlation between the transvaginal color Doppler ultrasound parameters values and the serum beta-human chorionic gonadotropin and 25-hydroxyvitamin D levels of pregnant women with threatened abortion during the first trimester of pregnancy and their outcomes after the fetal protection treatment

FU Lili 1, WANG Yuping 2, HU Xiaotong 1

Chinese Journal of Family Planning ›› 2026, Vol. 34 ›› Issue (1) : 93.

Chinese Journal of Family Planning ›› 2026, Vol. 34 ›› Issue (1) : 93.

Correlation between the transvaginal color Doppler ultrasound parameters values and the serum beta-human chorionic gonadotropin and 25-hydroxyvitamin D levels of pregnant women with threatened abortion during the first trimester of pregnancy and their outcomes after the fetal protection treatment

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2026, 34(1): 93

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