Baby is jus 7 months old,
Can't tell what exactly the reason...

Don't self medicate...
Without Dr's advice don't give any medicine...
First consult with your Paediatrician by call or online regarding this matter, they will suggests you...

Hi it's not so and depends on your diet

May be bcoz of excess feeding.... or may be baby's stomach pushes by mistake when u hold her..... Burp ur baby after every feed...

Yes once consult dr.

Without dr.'s advice don't continue.... Once take opinion....

That means nose is blocked.Use baby nose spray or baby nose drops or reconsult doctor. Make her smell 4 or 5 garlic roasted in ghee.It will open nose block or make it in a potli & keep near her nose or on chest while she sleeping.Remeber it should not b hot & if smelling she should not touch the hot vessel used for roasting.

Hi can you send image of it?

Hi this means your uterus might rupture during delivery and will lead to hemorrhage post delivery thus you need to get the cesarean section done

Hi no not so frequently

Hi give mashed banana and mashed papaya in the diet and avoid caffeine and junk food both and take more fruits and fluids in the diet for maintaining bowel movements