Generally ring slings are the preferred choice for younger babies, as their spine is not strong enough for them to be carried
in upright carriers.
Being upright as much as possible but especially after feeding helps prevent spit - up, and the movement and gentle pressure
of upright carriers can help alleviate their discomfort.
According to Ergobaby, if a baby is in
an upright carrier, they are able to exercise the same neck and core muscles that get a workout during tummy time.
Often baby carriers are constructed to push baby «sback upright if baby is carried in
an upright carrier.
When carrying baby upright in a carrier that is suited for baby's development, baby does not need any other objects to be embraced securely by
the upright carrier.
When the baby has gained good neck control and can sit well unassisted, they would be more suited to
upright carriers.
They may be acquainted with
the upright carriers from the eighties and nineties with the typical lack of adequate head / neck support, tight or chaffing leg holes, resembling a parachute harness and a complete lack of leg support.