The job of parenting aims to ensure children's health and safety, prepare children for life as productive adults, transmit cultural values, and more. Parents' is used in the plural form for both parents, so there is an apostrophe after the letter -s, as in parents' house. This is because the word is first pluralized to parents with the addition of the. Becoming a parent is a huge life transition. Now researchers are finding evidence that parenthood actually changes the brain—and these changes happen to fathers as well as to mothers.
Parents, as a noun, is the plural form of parent. A mother is one parent. A father is one parent. A mother and father are parents. To parent can also be a verb.
Therefore in the third person.