Columbia subject headings:
Aging parents--Family relationships--United States.
Childbirth in middle age--United States.
Middle age--United States.
Parent and child--United States.
Parenting--United States.
Harvard subject headings:
Aging parents--Family relationships--United States.
Aging parents--United States--Family relationships.
Childbirth in middle age--United States.
Children of older parents--United States.
Middle age--United States.
Middle-aged persons--United States.
Parent and child--United States
Parenting--United States
Princeton subject headings:
Aging parents--United States--Family relationships.
Childbirth in middle age--United States.
Middle age--United States.
Parent and child--United States.
Parenting--United States.