Yes, the hormonal changes in the woman’s body can affect metabolism and fat distribution.  As oestrogen levels decline, it can lead to an increase in body fat and a decrease in muscle mass. Exercising less due to the fatigue and eating more due to increased cravings and changes in appetite can also lead to weight gain.  Menopause isn’t the direct cause of weight gain, but it is a byproduct of the symptoms of the process.