Which Action Is a Birth Belief Among Shintos

Which action is a birth belief among Shintos?

A) Saving the umbilical cord as a lasting bond between mother and child
B) Never setting up a crib for an infant until after the birth
C) Wearing white and blue bead charms on the wrist as a protection from evil
D) Hoping that a newborn is not a female baby because it will decrease the mother's looks