The neonatal period is the first 28 days of life for a newborn, during which time they undergo rapid growth and development.

Jaundice is a common health concern for newborns, caused by a buildup of bilirubin in the blood. It can lead to yellowing of the skin and whites of the eyes.

Breastfeeding is the recommended feeding method for newborns, as it provides them with essential nutrients and antibodies to protect against infections.

A newborn's first checkup should be scheduled within 24 hours of birth to assess their overall health and identify any potential problems.

The Apgar score is used to assess the newborn's overall health at 1 and 5 minutes after birth, based on criteria such as heart rate, respiratory effort, muscle tone, and reflexes.

Prematurity is a common cause of respiratory distress syndrome (RDS) in newborns, as their lungs may not be fully developed and able to produce enough surfactant.

The recommended immunization schedule for newborns includes Hepatitis B vaccine at birth, BCG vaccine at birth, Polio vaccine at 2, 4, and 6 months, and Measles, mumps, and rubella (MMR) vaccine at 12 months.

The recommended sleep position for newborns is on their back, as it reduces the risk of sudden infant death syndrome (SIDS).

Signs of dehydration in newborns include decreased urination, dry mouth and lips, sunken fontanelles, and lethargy.

The recommended temperature range for a newborn's room is 68-72°F (20-22°C), as it helps prevent overheating and reduces the risk of SIDS.

Common causes of sepsis in newborns include Group B Streptococcus (GBS), Escherichia coli (E. coli), and Staphylococcus aureus.

Newborn hearing screenings are recommended every 1-2 weeks until 1 month of age to identify any hearing problems early.

Signs of hypoglycemia in newborns include jitteriness, lethargy, poor feeding, and seizures.

The recommended age for introducing solid foods to newborns is 4-6 months, when they are developmentally ready to start exploring new textures and flavors.

Common causes of diaper rash in newborns include frequent diaper changes, using harsh soaps or detergents, and leaving the diaper on for too long.