Makawee Has Recently Given Birth to Her First Child

Makawee has recently given birth to her first child. She mentions that she often goes into her baby's bedroom to check if he is still breathing. Would this qualify as an obsessive-compulsive disorder (OCD) ?

A) If Makawee continues to carry out this behavior for more than 1 or 2 days, this would qualify as an OCD.
B) As long as Makawee is not compelled to check on her baby and does not suffer from severe anxiety if she is unable to do so, then this is not an OCD.
C) If Makawee enjoys frequently checking to see that her baby is breathing, then this would qualify as an OCD.
D) If Makawee and her husband both carry out this behavior, then it would qualify as an OCD.