The earliest a baby has been known to survive is 22 weeks.
yes. Lungs are more fully developed, etc.
Yes you can with gentle supplies
4-6
Yes. A four Month Old baby Can go out side. With Propper clothes.
You need to take the baby to a doctor.
at 4 month of age.
See a doctor!
4
My baby is 28 inches at 4 months!!
Yes
This is the age when your baby is starting to be introduced to solid food between 4 and 7 months.
20 pounds