病理性黄疸具有以下特点：1.黄疸出现过早，常在24h内出现；2.黄疸程度过重，血清胆红素>205-257umol/L；3.黄疸进展过快，血清胆红素每日上升>85umol/L;4.黄疸持续多久，足月儿>2周，早产儿>4周；5.黄疸褪而复现，或再度进行性加重；6.血清结合胆红素>26umol/L。凡符合以上特点之一者可诊断为病理性黄疸。
简述新生儿病理性黄疸的特点。
Please discuss in brief the clinical characters of the neonatal pathologic jaundice.
结果表明：新生儿病理性黄疸的发生可能与ABO血型基因型有关。
Results obtained from this study show that Neonatal jaundice in infants is likely related with the ABO genotype.
B19与新生儿病理性黄疸密切相关，且对病情与临床表现有一定的影响。
B19 is closely correlated with neonatal pathologic jaundice and has some effect on its clinical characteristics.
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