stroller

If you are talking about baby 'sitting' in stroller.. 3 months. If you are talking about when can you use a stroller.. You can use even when baby is newborn as long as it has a fully laid back position.

Some strollers are suitable for newborn, make sure to check the specs properly before purchasing if you intend to put your newborn in the stroller

For most, it will be from about 3 months old, or when they can support their own head.

Some stroller is suitable for infant..if not can get infant ineerts

Depends on the type of stroller. Generally from 3/4 months

Depends on stroller. Generally I think 3/4 months onwards

There are strollers for newborn! The bassinet kind.

Get doona! Doona can be used since birth

Depends on the type of stroller you buy

New born already can use. Just strap in