Patient's question:
I have been pregnant three times. The first time was in September 1998, and I miscarried in October. In April 1999, I got pregnant again and gave birth to a male infant in January 2000, weighing 2800 grams. Everything was normal at birth, but the umbilical cord kept leaking yellow fluid for a month, and the newborn's jaundice never subsided. After a month, we used a sand stopper to stop the yellow fluid from leaking from the umbilical cord. Three days later, the newborn's jaundice completely disappeared. At five months, the doctor diagnosed the baby with cerebral palsy. The baby passed away at six months.In May 2001, I got pregnant for the third time and gave birth to a male infant on February 9, 2002, weighing 2250 grams. The delivery was 20 days early, but everything was normal at birth. The newborn...
Doctor's answer:
Hello, we fully understand your feelings!Whether infection during pregnancy caused this condition, the factors or causes are numerous. It is recommended to visit a tertiary hospital for comprehensive examination and treatment!
The factors or causes of central nervous system non-progressive damage leading to cerebral palsy are complex. As early as 1862, when British physician Lile first described this disease, he mentioned, "Cerebral palsy is caused by abnormal delivery, difficult labor, prenatal factors, and neonatal asphyxia, leading to mental and physical defects in children." Subsequently, with further in-depth research on cerebral palsy, common causes can be broadly summarized as follows.
### (1) Prenatal Factors
1. Factors during the first 6 months of pregnancy
- Influences on the fetus during the 0–3 months include:
① Congenital malformations;
② Genetic defects;
③ Intrauterine infection, damaging brain tissue;
④ Threatened miscarriage leading to cerebral hypoxia;
⑤ Mother infected with rubella;
⑥ Mother exposed to toxic substances;
⑦ Exposure to radiation or drug poisoning affecting fetal development.
- Influences on the fetus during the 4–6 months include:
① Threatened miscarriage remains an important factor or cause;
② Chronic maternal infection;
③ Preeclampsia;
④ Intrauterine growth restriction (IUGR);
⑤ Intrauterine infection factors.
2. Factors during the later stages of pregnancy
① Preeclampsia, which increases the risk of placental embolism and insufficient blood supply to the umbilical vessels, affecting oxygen supply to fetal brain tissue;
② Placental or umbilical cord abnormalities, leading to fetal hypoxia or ischemia;
③ Antenatal bleeding;
④ Blood type incompatibility, such as Rh factor reactions causing excessive bilirubin and ammonia in the fetus, leading to toxic damage;
⑤ After 35 weeks of gestation, the likelihood of cerebral palsy is higher in fetuses with IUGR;
⑥ Mother undergoing surgery, infection, trauma, or multiple pregnancies.
### (2) Perinatal Factors
Due to various adverse factors in the mother and newborn, brain tissue in children may be damaged:
① Fetal hypoxia during delivery, such as cord prolapse, cord, or twisting, leading to cord blood flow obstruction;
② Difficult labor;
③ Neonatal asphyxia;
④ Macrosomia;
⑤ Postnatal respiratory failure;
⑥ Premature infants and immature infants;
⑦ Delivery-related injuries can cause brain damage and hypoxia, such as subdural hematoma caused by difficult labor;
⑧ Low birth weight infants, with data indicating that approximately 40% of cerebral palsy children weigh less than 2,500 g at birth.
### (3) Postnatal Factors
Various conditions in newborns may lead to cerebral palsy:
① Hyperbilirubinemia, such as neonatal jaundice caused by hemolytic disease of the newborn (HDN), leading to kernicterus. The uncoupling of oxidative phosphorylation in mitochondrial cells of brain tissue cells occurs, resulting in insufficient energy production, causing degeneration and necrosis of brain cells, and ultimately leading to cerebral palsy in children.
② Shock in newborns caused by factors such as hemorrhage and infection.
③ Cranial brain injury and convulsions, affecting blood and oxygen supply to brain tissue.
④ Respiratory obstruction in immature infants.
⑤ Respiratory system diseases such as atelectasis, hyaline membrane disease, pulmonary edema, intrauterine pneumonia, and aspiration of gastric contents, leading to cerebral hypoxia.
### (4) Genetic Factors
Some cerebral palsy children can trace a family history of genetics, with cases of cerebral palsy, intellectual disabilities, or congenital malformations in maternal or paternal relatives.
### (5) Acquired Cerebral Palsy
In 1988, China's First Cerebral Palsy Symposium suggested defining the period of cerebral palsy onset as from before birth to one month after birth. Syndromes resulting from brain damage during this period are termed cerebral palsy. The term "acquired cerebral palsy" after the neonatal period is still under debate. Currently, clinical diagnosis of acquired cerebral palsy refers to children who develop cerebral palsy symptoms more than one month after birth due to certain diseases damaging brain tissue, such as cerebral artery thrombosis, intracranial abscess, lateral sinus venous thrombosis, meningitis, or viral encephalitis, leading to upper motor neuron paralysis.
Different factors or causes often result in specific neurological sequelae, which can be clinically referenced:
① Premature infants may develop spastic cerebral palsy.
② Breech delivery may lead to athetosis or spastic cerebral palsy.
③ Preeclampsia and delivery injuries may cause spastic hemiplegia or quadriplegia.
④ Hypoxia, Rh factor, kernicterus, placenta previa, or placental abruption may lead to athetosis.
⑤ Rubella infection in the mother often causes spastic cerebral palsy in offspring, accompanied by deafness or auditory agnosia.
⑥ Rapid delivery may result in spastic quadriplegia, ataxia, or limb stiffness.
Additionally, cesarean delivery does not reduce the incidence of cerebral palsy.
Voita listed 43 potential risk factors for cerebral palsy, nearly covering all abnormal conditions during the perinatal and neonatal periods. Illigworth proposed six significant risk factors for clinical reference:
(1) Family history of cerebral palsy children;
(2) History of preterm birth, especially significant preterm birth;
(3) Multiple pregnancies in the mother;
(4) Low birth weight infants;
(5) Intellectual disability;
(6) Severe hypoxia, convulsions, hyperbilirubinemia, or intracranial hemorrhage during birth or the neonatal period.
Furthermore, the Apgar score for newborns—where a score below 3 out of 20 seconds increases the risk of cerebral palsy by 250 times compared to normal children.
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### Related Examinations:
All women should undergo regular examinations by doctors, gynecological health care providers, and other qualified healthcare personnel. Given the importance of cervical cytology and breast examinations for early detection of gynecological diseases, all women should undergo regular check-ups as part of their health care plan. Women should have at least one comprehensive gynecological examination annually. Those taking birth control pills or over 35 years of age should have a breast examination. Cervical cytology should generally be performed once a year. Women taking birth control pills should have their blood pressure measured regularly. These examinations are not time-consuming but can save lives.
Before a comprehensive examination, medical history, personal information, and gynecological examination records should be provided to the doctor. If detailed information about previous examinations and illnesses, dates and conditions of recent menstrual cycles, and any other relevant details, including the method of contraception used, are provided to the gynecologist, it will be very helpful.
The doctor will examine the breasts. If necessary, further breast X-ray examinations will be conducted, and self-breast examination techniques will be taught to detect early signs of breast cancer. The pelvis, uterus, cervix, and vagina will also be examined for signs of disease, abnormal growths, damage, and inflammation. A cervical cytology test will then be performed, where the epithelial cells of the cervix are gently scraped and sent to the laboratory for examination to detect malignant lesions. This is a common part of a comprehensive gynecological examination. If abnormal vaginal discharge is present, a sample will be collected for laboratory culture to check for infections of the vagina and cervix. Common infections, such as candidiasis or trichomoniasis, as well as any sexually transmitted diseases, can be diagnosed and treated accordingly.
Additionally, blood pressure, anemia, urinary tract infections, diabetes, and rubella (which can endanger the fetus or cause miscarriage or stillbirth) will be checked. If menopause occurs at age 50, an annual breast X-ray examination should be performed, as it can detect tumors before the patient notices them. After the examination, when the doctor explains the results, do not hesitate to ask questions about anything you do not understand—this is very helpful.