Longer time-to-pregnancy in spontaneously conceived pregnancies is associated with lower PAPP-A and free β-hCG in first trimester screening for Down syndrome

Global Health Data Exchange ()2026-01-11 收录

数据链接：

https://ghdx.healthdata.org/record/longer-time-pregnancy-spontaneously-conceived-pregnancies-associated-lower-papp-and-free-%CE%B2 数据链接链接失效反馈

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资源简介：

Longer time-to-pregnancy in spontaneously conceived pregnancies is associated with lower PAPP-A and free β-hCG in first trimester screening for Down syndrome

搜集汇总

数据集介绍

Longer time-to-pregnancy in spontaneously conceived pregnancies is associated with lower PAPP-A and free β-hCG in first trimester screening for Down syndrome 数据集图片

背景与挑战

背景概述

该数据集研究了自然受孕妊娠中备孕时间与唐氏综合征早期筛查指标的关系，发现较长的备孕时间与较低的PAPP-A和游离β-hCG水平相关。

以上内容由遇见数据集搜集并总结生成

Longer time-to-pregnancy in spontaneously conceived pregnancies is associated with lower PAPP-A and free β-hCG in first trimester screening for Down syndrome

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