The New Perimenopause

By: Mary Claire Haver, MD

Published by Random House, 2026-04-07

The #1 New York Times bestselling author of The New Menopause explains everything a woman needs to know to thrive during the often-misdiagnosed and medically ignored perimenopausal years “Don’t tolerate shrugged shoulders from your doctor during your perimenopausal journey. Get ahead of the issues and your potential symptoms with this important, empowering, and scientifically dependable book.”—Vonda Wright, MD, author of Unbreakable I’m just not feeling like myself! This is the battle cry of the perimenopausal woman. Though menstrual cycle changes and the emotional rollercoaster that accompanies them are the hallmarks of the transition to menopause, many women with regular periods as young as 35 can also start to feel irregular, with symptoms that include anxiety, fatigue, joint pain, brain fog, sexual symptoms, and volatile moods. This array of symptoms can be hugely disruptive—all the more so when a doctor dismisses a woman’s complaints as all in her head or prescribes unnecessary and potentially harmful treatment. In The New Perimenopause, Dr. Mary Claire Haver—the trailblazing voice behind the movement to revolutionize health care for women—sets things straight. She explains that the numerous and varied symptoms of perimenopause occur in direct response to normal endocrine changes; this is the hormonal "zone of chaos." A comprehensive, authoritative book of science-backed information and lived experience, The New Perimenopause includes: Clear, science-backed explanations of what's going on in your body, from changes in your menstrual cycle to energy levels, mood, sleep, and sexual issues. How and why dealing with these changes now is preventative medicine for your later years. Checklists, questions for your doctor, and how to insist on good care. The very latest research on the benefits and side effects of progesterone therapy to help ease your hormonal transition. Whether you have symptoms or not, The New Perimenopause helps remove the mystery around this time of change, putting women in control of their health going forward.