What are the essential vital signs that should be monitored in baby panganiban during the post-neonatal care period (90 minutes to 6 hours after birth) ?

A newborn baby, Baby Panganiban, was born 30 minutes ago via normal spontaneous delivery. The baby is currently in the post-neonatal care period, requiring essential monitoring of vital signs. The baby’s mother, Mrs. Panganiban, is a 28-year-old primigravida who had an uneventful pregnancy and delivery.