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Objective
To evaluate the efficacy of using fetal heart size measurements derived from axial echocardiography to predict homozygous α‐thalassemia‐1.
Design
Prospective diagnostic study.
Setting
The carrier rate of α‐thalassemia‐1 (–/αα) in China's Guangxi Zhuang Autonomous Region is approximately 15%. If both parents are carriers, the risk of homozygous α‐thalassemia‐1 in one pregnancy is 25%...
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