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To explode ultrasonographic pregnatal diagnosing value through retrospective study on absent pulmonary valve syndrome (APVS). 66558 examinations cases within 10 years from our centre were retrospectively studied by fetal echocardiography (FECG) include two dimension and Doppler imaging. APVS is typical shown by FECG include 2D and spectral Doppler and colour Doppler imaging, but isolate absent of pulmonary valve should be examed carefully to determine and exclude the other intracardiac malformations. [Extracted from the article]

To explore the detection rate, types, accompanying abnormalities and prognosis of fetal congenital heart disease (CHD) in a single centre of northwest China, in order to lay a foundation for further studying the epidemiological characteristics of fetal CHD and integrated management of FCHD in the prenatal and postnatal. The number of abortion cases, intrauterine and postnatal natural deaths of fetal CHD accounted for 60.3% (1357/2251) of the total follow-up, of which complex CHD and chromosomal abnormalities accounting for the majority. The fetal complex CHD were more common while the prognosis were worse than simple CHD, but some types of complex CHD could be corrected by surgery by pregnancy monitoring and evaluation. [Extracted from the article]