welcome to HCM,
you wanna reduse your weight ,can you mention about your weight.
most common region of gaining weight are long fasting stage ,
taking excess amount of carbohydrate
, sedentary life , some diease like Diabetes
also cause of weight gain. so you have to rule out the cause of your weight gain. you should get CBC,HbA1c
ok start heavy break fast , take meal as you wish, start morning walk.
avoid much fatty n carbohydrate diet.
this trial reduse your weighy within 15 days.