Why don’t newborns cry much?
Jan 22, 2022
Source: Cainiu Health
Dr. Ma Yan
Introduction
1. Physiological phenomenon: As long as the baby feeds normally and gains weight steadily over time, parents generally need not be overly concerned.
2. Pathological factors: If the newborn is unusually quiet (e.g., minimal crying), accompanied by lethargy, seizures, or diminished suck reflex, hypoxic-ischemic encephalopathy (HIE) should be considered as a possible cause.
A newborn’s lack of crying may be a normal physiological phenomenon, but it could also indicate an underlying pathological condition—such as hypoxic-ischemic encephalopathy (HIE). Below, we address the specific causes behind why a newborn may not cry.
Why might a newborn not cry?
1. Physiological factors
A newborn’s infrequent crying may relate to individual temperament—some infants are naturally quiet and less prone to crying. If the baby shows no signs of hunger or other physiological needs and remains calm and content, this is generally considered normal. As long as the infant feeds well and gains weight steadily over time, parents typically need not be overly concerned.
2. Pathological factors
If a newborn consistently fails to cry and additionally exhibits symptoms such as excessive sleepiness, seizures, or diminished suck reflex, hypoxic-ischemic encephalopathy (HIE) should be suspected. HIE refers to brain injury caused by oxygen deprivation and reduced blood flow—often resulting from perinatal asphyxia during delivery. When these symptoms appear, prompt cranial CT imaging at a hospital is essential. If the diagnosis reveals mild disease, intravenous therapy under medical supervision—such as coenzyme A injection or dexamethasone injection—may be prescribed. In severe cases involving hypoxemia and hypercapnia, mechanical ventilation should be initiated immediately.
Maintain a clean indoor environment, ventilate regularly by opening windows, and ensure appropriate room temperature. The above outlines potential reasons for a newborn’s lack of crying. We hope this information is helpful to you.
