Preterm birth: Delivery before 37 weeks of gestation, which can lead to developmental delays and respiratory issues. Low birth weight: Newborns weighing less than 2,500 grams, increasing the risk of infections and other health problems. Birth asphyxia: Insufficient oxygen to the baby during birth, potentially causing brain damage or death. Neonatal sepsis: A severe infection in newborns that can be life-threatening. Maternal infections: Infections in the mother that can be transmitted to the baby, such as Group B Streptococcus.