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已发表论文
单胎妊娠（含体外受精）无创产前检测的临床应用：一项在单个三级医疗中心开展的 6 年观察性研究
Authors Zhang Q , Guo Y, Liang B , Chen M , Wu X , Lin N, Huang H , Xu L
Received 18 June 2025
Accepted for publication 7 September 2025
Published 17 September 2025 Volume 2025:17 Pages 3067—3076
DOI https://doi.org/10.2147/IJWH.S547427
Checked for plagiarism Yes
Review by Single anonymous peer review
Peer reviewer comments 2
Editor who approved publication: Dr Vinay Kumar
Qian Zhang,* Yuhong Guo,* Bin Liang, Meihuan Chen, Xiaoqing Wu, Na Lin, Hailong Huang, Liangpu Xu
Department of Medical Genetic Diagnosis and Therapy Center, Fujian Key Laboratory for Prenatal Diagnosis and Birth Defect, Fujian Maternity and Child Health Hospital College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Liangpu Xu, Medical Genetic Diagnosis and Therapy Center, Fujian Key Laboratory for Prenatal Diagnosis and Birth Defect, Fujian Maternity and Child Health Hospital College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, No. 18 Daoshan Road, Gulou District, Fuzhou, Fujian, 350001, People’s Republic of China, Email xiliangpu@fjmu.edu.cn
Background: Studies on the use of noninvasive prenatal testing (NIPT) in pregnancies conceived by in vitro fertilization (IVF) remain inadequate. This study aimed to evaluate the performance of NIPT in singleton pregnancies conceived by IVF and to compare it with that in naturally conceived (NC) pregnancies.
Methods: A retrospective analysis was performed on 86397 pregnancies (IVF=3723, NC=82674). The performance of NIPT was assessed by calculating the sensitivity, specificity, and positive predictive value (PPV).
Results: The failure rate in the IVF group was significantly higher than that in the NC group (0.16% vs 0.04%, p < 0.05). Among the 3717 cases successfully tested in the IVF group, the sensitivities of trisomy (T) 21 and sex chromosome aneuploidy (SCA) were both 100%, with specificities of 99.92% and 99.76%, respectively. The PPVs of T21 and SCA were both 50%. Of the 82630 cases successfully tested in the NC group, all corresponding sensitivities and specificities were greater than 98%. The PPVs of T21, T18, T13, SCA and rare autosomal aneuploidies were 70.86%, 41.67%, 20.51%, 39.90%, and 7.65%, respectively. Furthermore, although the median fetal fractions (FFs) in the IVF group were significantly lower than that in the NC group (11.23% vs 12.05%, p < 0.001), the kinetics of FFs during gestation demonstrated a very similar trend between these two groups.
Conclusion: Our findings suggest that NIPT is a valid technique for detecting fetal chromosomal aneuploidies in IVF singleton pregnancies.
Keywords: NIPT, IVF, natural conception, performance, kinetics of fetal fractions
Department of Medical Genetic Diagnosis and Therapy Center, Fujian Key Laboratory for Prenatal Diagnosis and Birth Defect, Fujian Maternity and Child Health Hospital College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, Fuzhou, 350001, People’s Republic of China
*These authors contributed equally to this work
Correspondence: Liangpu Xu, Medical Genetic Diagnosis and Therapy Center, Fujian Key Laboratory for Prenatal Diagnosis and Birth Defect, Fujian Maternity and Child Health Hospital College of Clinical Medicine for Obstetrics & Gynecology and Pediatrics, Fujian Medical University, No. 18 Daoshan Road, Gulou District, Fuzhou, Fujian, 350001, People’s Republic of China, Email xiliangpu@fjmu.edu.cn
Background: Studies on the use of noninvasive prenatal testing (NIPT) in pregnancies conceived by in vitro fertilization (IVF) remain inadequate. This study aimed to evaluate the performance of NIPT in singleton pregnancies conceived by IVF and to compare it with that in naturally conceived (NC) pregnancies.
Methods: A retrospective analysis was performed on 86397 pregnancies (IVF=3723, NC=82674). The performance of NIPT was assessed by calculating the sensitivity, specificity, and positive predictive value (PPV).
Results: The failure rate in the IVF group was significantly higher than that in the NC group (0.16% vs 0.04%, p < 0.05). Among the 3717 cases successfully tested in the IVF group, the sensitivities of trisomy (T) 21 and sex chromosome aneuploidy (SCA) were both 100%, with specificities of 99.92% and 99.76%, respectively. The PPVs of T21 and SCA were both 50%. Of the 82630 cases successfully tested in the NC group, all corresponding sensitivities and specificities were greater than 98%. The PPVs of T21, T18, T13, SCA and rare autosomal aneuploidies were 70.86%, 41.67%, 20.51%, 39.90%, and 7.65%, respectively. Furthermore, although the median fetal fractions (FFs) in the IVF group were significantly lower than that in the NC group (11.23% vs 12.05%, p < 0.001), the kinetics of FFs during gestation demonstrated a very similar trend between these two groups.
Conclusion: Our findings suggest that NIPT is a valid technique for detecting fetal chromosomal aneuploidies in IVF singleton pregnancies.
Keywords: NIPT, IVF, natural conception, performance, kinetics of fetal fractions