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Why does Cerebral Palsy occur?

Why does Cerebral Palsy occur?

Cerebral Palsy (CP) is a complex neurological condition that affects muscle control, coordination, and movement. It is one of the most common motor disabilities in childhood. Understanding why Cerebral Palsy occurs involves exploring the intricate factors that contribute to its development. In this blog post, we will delve into the causes and risk factors associated with CP.

Prenatal Factors

Many cases of Cerebral Palsy begin during the prenatal period, which covers the time before birth. Several prenatal factors can increase the risk of CP:


Maternal infections during pregnancy, such as rubella, cytomegalovirus (CMV), or toxoplasmosis, can lead to brain damage in the developing foetus and increase the likelihood of CP.

Premature Birth:

Babies born prematurely (before 37 weeks of gestation) are at a higher risk of developing CP. Prematurity can disrupt normal brain development and increase susceptibility to brain injuries.

Multiple Pregnancies:

Twins, triplets, or higher-order multiples are at an increased risk of CP, often due to the higher likelihood of complications during pregnancy and delivery.

Placental Problems:

Issues with the placenta, such as placental abruption or insufficient blood flow, can lead to oxygen deprivation in the developing foetus, increasing the risk of CP.

Perinatal Factors

The perinatal period encompasses the time surrounding birth. Several factors during labour and delivery can contribute to the development of Cerebral Palsy:

Oxygen Deprivation:

A lack of oxygen during childbirth, also known as birth asphyxia, can lead to brain damage and CP. This can occur due to complications like umbilical cord entanglement or a prolonged and difficult delivery.

Traumatic Birth:

In some cases, traumatic delivery methods, such as the use of forceps or vacuum extraction, can lead to brain injuries that increase the risk of CP.

Postnatal Factors

While CP is primarily associated with issues during pregnancy and childbirth, it can also result from postnatal factors:


Infections that affect the brain after birth, such as bacterial meningitis or viral encephalitis, can lead to CP in some cases.

Head Injuries:

Severe head injuries during infancy or early childhood can damage the brain and result in CP.

Genetic Factors

Although most cases of Cerebral Palsy are not directly linked to genetics, there are some genetic factors that can contribute to its development. These genetic factors are less common and may play a role in a small percentage of CP cases.

Unknown Causes

In a significant number of cases, the exact cause of CP remains unknown. Researchers continue to study these cases, looking for potential genetic, environmental, or other factors that may contribute to the condition.


Cerebral Palsy is a complex condition with multifactorial causes. While certain prenatal, perinatal, and postnatal factors can increase the risk of CP, it’s essential to recognise that not all cases have a clear and identifiable cause. Early diagnosis and intervention are crucial for individuals with CP to receive the appropriate support and therapies that can help improve their quality of life.

Researchers and medical professionals in the field of paediatric neurology are continually working to better understand the causes and risk factors associated with Cerebral Palsy. Their efforts aim to improve prevention strategies, early detection, and interventions to support those affected by this condition. Ultimately, increasing awareness and knowledge about the causes of CP can contribute to better outcomes for individuals and families living with the condition.

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