The Fodmap diet is designed to solve digestive problems. It is not a specific plan for menopause: it neither eliminates hot flashes nor helps with other symptoms.
If it is done to avoid fat that accumulates at the waist, those 2 or 3 kilos that you begin to gain when you enter that stage and before the weight skyrockets, perfect. But it should never be continued for more than 15 days; then you have to go back to a diet healthy and balanced, including the foods previously eliminated.