"75% of women gain weight from perimenopause," says Dr. Luis López Tallaj.

Hormonal decline involves a redistribution of fat, which is reduced in buttocks, hips and thighs. To burn fat and mark the abdomen more easily, Sara Álvarez recommends achieving a caloric deficit. Gwyneth Paltrow is a strong advocate of intermittent fasting and Dr. Will Cole's method of intuitive fasting. The guidelines of this plan are collected in the book 'Intuitive Fasting' (Goop Press)