P07.01

Clinical Causes: Premature birth: Birth before 28 weeks of gestation can result in very low birth weight. Genetic factors: Certain genetic conditions can impair fetal growth. Maternal health issues: Conditions such as preeclampsia, infection, or malnutrition during pregnancy can contribute to low birth weight. Multiple pregnancies: Twins, triplets, or higher-order multiples are more likely to be born with very low weight. Placental problems: Insufficient blood flow or placental abnormalities can restrict fetal growth. Lifestyle factors: Smoking, alcohol use, or drug use during pregnancy can impair fetal development. Environmental factors: Exposure to toxins or harmful substances during pregnancy. Intrauterine growth restriction (IUGR): A condition where the fetus does not grow at the expected rate.

Key Symptoms: Very small size relative to gestational age Difficulty maintaining body temperature Breathing difficulties or respiratory distress Feeding difficulties and poor sucking reflex Low levels of blood sugar (hypoglycemia) Weak muscle tone and lethargy Increased risk of infections due to immature immune system Jaundice appearing shortly after birth Low oxygen levels and irregular breathing patterns

Diagnosis Path: Diagnosis begins with a thorough physical examination and measurement of birth weight. Medical professionals consider gestational age to assess whether the infant is small for gestational age or truly underweight. Additional tests may include: - Ultrasound scans to evaluate fetal growth - Blood tests to assess organ function and infections - Chest X-ray to examine lung development - Monitoring of vital signs and oxygen levels Early diagnosis helps determine the necessary medical interventions to support survival and development.

Treatment Protocols: Management of an extremely low birth weight newborn involves specialized neonatal intensive care, aiming to stabilize vital functions and prevent complications. Essential aspects include: - Thermal regulation through incubators to prevent hypothermia - Nutritional support, often via intravenous feeding until the infant can feed orally - Respiratory support, such as ventilators or oxygen therapy, to assist with breathing - Monitoring and treating infections promptly - Managing blood sugar levels and electrolyte balance - Administering medications to support organ function - Early intervention therapies for neurodevelopmental support as the infant grows Long-term care may involve multidisciplinary teams to address developmental delays, nutritional needs, and other health concerns. Early support is crucial for improving outcomes and fostering growth and development.