大部分新生儿,在出生后的2～3天会有黄疸,但不必紧张,绝大多数既不是病,也没有什么危险,医学上称为“生理性黄疸”。 1.出生后的2～3天会出现皮肤、巩膜、口腔黏膜发黄。皮肤上黄染程度有轻有重,可以从浅黄色到柠檬色; 2.手心、足心不黄; 3.尿色也不加深,粪便不发白; 4.但口腔黏膜上比较明显,生后4～5天黄疸达到高峰,以后逐渐消退。 Most newborns, jaundice 2 to 3 days after birth, but not nervous, the vast majority of both disease and no danger, medically known as “physiological jaundice.” 1, 2 to 3 days after birth there will be skin, sclera, oral mucosa yellow. Yellowish skin on the degree of light and heavy, you can light yellow to lemon; 2. palms, Zuxin not yellow; 3. urine color does not deepen, faeces are not white; 4. But the oral mucosa is more obvious, students After 4 to 5 days jaundice reached its peak, then gradually subsided.