Baby Boom (1987)

J.C. Wiatt (Diane Keaton) is a New York City businesswoman who is married to her job and has a relationship with Steven (Harold Ramis), a successful investment broker. J.C.'s life takes an unexpected turn when a relative suddenly dies and makes her the caretaker of a baby girl. Soon, the baby's arrival causes J.C. to lose first Steven, and then her job. She moves to Vermont and embarks on a series of life-changing events. But when offered the opportunity, will she return to her corporate ways?