You can then disassemble the crib and reassemble it into a toddler bed, using the same crib mattress.
Be sure the crib mattress is firm and fits the bed snuggly.
When your baby is a newborn, the crib mattress can be placed at the highest position, so that you can lift your baby easily from her crib.
Crib Mattress-Although it won't be your baby's primary bed, it is very important that the crib mattress fits the crib snuggly.
Sensor pads arranged beneath the crib mattress trigger a flashing green light and sound an alarm when no movement is detected for 20 seconds.