By Jeannette Moninger
That undeniable urge to clean, organize and make everything perfect for baby’s arrival isn’t all in your head. A September 2013 study in the journal Evolution & Human Behavior indicates that a mother’s third-trimester nesting instinct may have evolved from a desire to protect and nurture a newborn. “Providing a safe environment helps to promote bonding and attachment between both mother and child,” says Marla Anderson, lead author of the study and a psychology graduate student at McMaster University in Hamilton, Ontario. When the need to nest kicks in, embrace it by starting with this list of 10 things to do before baby arrives.