yes it can pull, no it shouldn't cause pain because the umbilical cord is not attached to your belly button, its attached to the placenta.
umbilical area
The belly button is the spot on the body where the umbilical cord attached in the womb. In pregnant woman the belly button starts to pop out as a woman gets later in her pregnancy.
Pain around the tummy button, above the umbilicus.
Umbilical Knot 'Navel' is more common The "Navel" is the area around the "belly button"
umbilical?
belly button
no you dont have a umbilical cord you have a belly button your baby dose not have a belly button yet the umbilical cord attaches to the baby at its belly after its born the umbilical cord is cut giving the baby its belly button. However don't have your belly button pierced while you are pregnant as you will have to take the bar (or whatever) out towards the end.
A belly button is created by an umbilical cord, so all placental mammals have an umbilical cord. Animals that are hatched would not have an umbilical cord and not have an belly button.
No
Every human being has a bellybutton because when they are born, their umbilical chord is cut short... causing it to close up and become what we call a bellybutton.
Umbilical Region
It is the place where the umbilical cord connects the baby to the placenta. After the baby is born, the umbilical is cut off, eventually heals over and leaves the belly button.