Due to constant hormonal fluctuations, a woman's body goes into a weight resistant stage, wherein diet management and exercise don't work as efficiently as they otherwise would. You first need to reset your hormones by eating the correct combination of foods and more importantly set your metabolism levels and body clock right. You must:- a) Follow a strict dietary regime and set you body clock right b) Have 6-8 small but frequent meals and not skip meals c) Not compromise on nutrition while trying to lose weight