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首页> 外文期刊>The journal of obstetrics and gynaecology research >Noninvasive prenatal testing suggesting an abnormality in chromosome 15 confirmed to be a case of Prader–Willi syndrome caused by trisomy rescue in the neonatal period
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Noninvasive prenatal testing suggesting an abnormality in chromosome 15 confirmed to be a case of Prader–Willi syndrome caused by trisomy rescue in the neonatal period

机译：Noninvasive prenatal testing suggesting an abnormality in chromosome 15 confirmed to be a case of Prader–Willi syndrome caused by trisomy rescue in the neonatal period

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Abstract We report a case of a neonatal diagnosis of Prader–Willi syndrome caused by uniparental disomy. A 34‐year‐old pregnant woman underwent noninvasive prenatal testing (NIPT) in a hospital that was not certified by the Japanese Association of Medical Sciences. The results of trisomy 13, 18, and 21 were negative; however, a possible abnormality in chromosome 15 was indicated by the Z‐score. Genetic counseling was not performed; thus, the woman did not understand the implication of this result. Therefore, she continued with the pregnancy and delivered a boy weighing 1892?g with hypogonadism at 38?weeks and 5?days. The infant was diagnosed with Prader–Willi syndrome caused by uniparental disomy derived from trisomy rescue. The NIPT results may have reflected placental mosaicism, emphasizing the importance of understanding the limitations of NIPT due to the presence of congenital chromosomal abnormalities that cannot be detected by NIPT platforms.

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