03/15/2013 02:31 pm ET Updated May 15, 2013

How To Buy An Infant Car Seat

Little baby girl sleeping in car seat.
Little baby girl sleeping in car seat.

The lowdown on infant car seats
You have a choice of two types of car seat for your baby: an infant car seat or a convertible car seat.

A rear-facing infant car seat (suitable for babies up to 22 or 35 pounds and 29 to 32 inches tall) fits babies snugly during the first year or so. A convertible seat - so called because it converts from a rear-facing seat for babies and toddlers to a forward-facing seat - carries children from birth to somewhere between 40 and 80 pounds and up to 50 inches tall, depending on the seat.

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