Essential baby care items include bottles or a nursing bra and pump, diapers and wipes, onesies and sleepers, gentle washcloths and towels, a baby bathtub, a crib or bassinet, swaddle blankets or sleep sacks, pacifier, thermometer, nail clippers, petroleum jelly or diaper cream, first aid kit, and nasal aspirator. These items ensure proper feeding, hygiene, comfort, and well-being for your newborn.