Muriel Flis-Trèves is a psychiatrist and psychoanalyst at Antoine-Béclère Hospital in Paris. In her book Why Do You Come So Late?, she recounts the journey of some of her patients, who feel a desire for motherhood after 40 years.

She says many women have been cheated by time, while others have privileged, often with reason, their professional ambitions. With therapy, she says, we can finally understand what is ruled out when this is the case.