The stretching is caused by colic, it is very normal and will stop on its own.

Your baby probably has colic which is common in a lot of new born babies and there's really no cause for alarm.

The stretching is caused by colic, it is very normal and will stop on its own.

Hello ma'am. The possible cause of your baby stretching is colic.

It is very normal and will stop on its own.

If you think the stretch is not normal, take a video while your baby stretches and show to a paediatrician while discussing your concerns

About scratching the face; it may be due to tiny rashes on the face or allergies.

He might be feeling uncomfortable during this period, observe him, check his diaper, Check maybe hes feeling etc. It might also be Colic.