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. 2023 Apr 11;11:1066178. doi: 10.3389/fped.2023.1066178

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© 2023 Deng, Liu, Liu, Liu, Bai, Jing, Xia, Liu, Cheng, Wei, Xing, Luo, Zhou, Zhu and Liu.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Fetal fraction of pregnant women with different types of trisomy fetuses. ^aReference group is T18, P < 0.05.