Dr. Dalfen is a psychiatrist who specializes in caring for women who have mental health problems during pregnancy and in the postpartum period. She works in the Perinatal Mental Health Program at Mount Sinai Hospital in Toronto, and helps to teach other health care professionals, students, and the public about postpartum mental illnesses. Dr. Dalfen has been a medical contributor for various television networks and TV shows and she is regularly called upon to deliver public and professional lectures. She is also a mom to two adorable girls-one of whom was born during the writing of this book!