<s>[INST] Risk factors [/INST] 
There are some things that can increaseTrusted Source the chance of a newborn developing physiological jaundice.

These include:

premature birth
history of newborn jaundice in siblings
being male assigned at birth (MAAB)
being of Asian descent
In addition, certain risk factors can increase your baby’s chance of developing severe jaundice, which may be physiological or pathological. These include:

jaundice within 24 hours after birth
birth before 40 weeks, with the chance increasing the earlier the baby is born
treatment with phototherapy or a history of a sibling being treated with phototherapy for jaundice
family history of inherited red blood cell disorders such as G6PD deficiency
difficulty breastfeeding or chestfeeding
bruising on the head or scalp from the birth
having Down syndrome
Being born bigger than average for gestational age (macrosomia) Source: Health Line. Link: https://www.healthline.com/health/newborn-jaundice#outlook. Field: Hepatology . Disease: Jaundice </s>