The term 'after birth' can be summarized by the crossword solution 'postnatal, ' which is a nine-letter word. Postnatal refers to the period of time immediately following childbirth, when the mother and baby are adjusting to their new life together. During this time, the mother's body is recovering from the physical strain of labor and delivery, while the baby is adapting to its new environment. Postnatal care typically includes medical checkups for both the mother and baby, as well as emotional support for the family.