The first child has cerebral palsy. What is the probability that the second child will also get cerebral palsy?

Patient's question:

No

Doctor's answer:

The causes or etiologies of cerebral palsy are numerous, and these factors or etiologies occur respectively before, during, and within one month after birth. The main causes or etiologies of cerebral palsy can be categorized into the following three aspects:
① Prenatal:
- Chromosomal abnormalities in the fetus
- Intrauterine infections (common infections include rubella virus, herpes simplex virus, toxoplasma, cytomegalovirus, etc.)
- Treatment for threatened miscarriage
- Exposure to radiation during pregnancy
- Carbon monoxide poisoning
- Pregnancy-induced hypertension
- Severe anemia
- Diabetes
- Multiple pregnancies, etc.
② Perinatal:
- Premature infants
- Low birth weight infants
- Neonatal asphyxia
- Difficult labor
- Breech presentation
- Umbilical cord neck
- Placenta previa
- Abruptio placentae
- Neonatal respiratory and cardiopulmonary abnormalities, etc.
③ Postnatal:
- Intracranial hemorrhage in newborns
- Seizures
- Neonatal jaundice
- Infections (meningitis, sepsis, aspiration pneumonia, etc.)
- Brain trauma
All of these factors can lead to brain damage in fetuses and newborns, resulting in motor disorders, postural abnormalities, and a series of associated impairments.
Advice: It is essential to prioritize prenatal and postnatal care, conduct prenatal examinations, and actively prevent these risks. Your second child is unlikely to develop cerebral palsy.