You don't have to. If it's new, definitely don't take it out. If its older, you can but it isn't necessary
You need to keep the belly ring clean. You should also twist it. You need to use alcohol to clean the outside of the ring and skin.
you cant
Take it out
the best thing to wash a belly button ring is with anti-bacterial soap it stops the scar tissue
Any time you like.
The top part unscrews
a few days.
You need to keep the ring clean. You need to use peroxide to wipe the skin. You should also twist the ring to keep it open.
When I got my belly ring, I was 13. It didn't really hurt, its just that you have to take care of it much more than an ear piercing
You should be okay - that's almost six weeks. Remember to clean the piercing area with mild antiseptic before re-inserting the ring.
They say to take your belly ring out to prevent this from happening, but after delivery of a child your belly should go back to your normal "pre-baby" body. It'll just take some time.
A belly button ring is a body piercing placed in a cauterized area of the belly button.