Grannyjacq1 I used to have what I optimistically described as a "boyish" figure i.e. no waist to speak of. I took up 5:2 fasting and along with weight loss, a waist appeared, which generally hovers between 29 and 30 inches. That's well less than half my height. (Waist to height ratio is highly significant for health.) Losing your waist could indicate visceral fat, which is the worst kind, wrapping around your internal organs!
Most calorie restriction diets, the only slimming diet that works, have you reducing calorie intake every day so you are hungry every day. That takes huge determination and may lead to failure or yoyo dieting, where muscle is lost but goes back on as fat. Intermittent fasting targets fat deposits but doesn't tend to deplete muscle.
5:2 fasting also requires determination but, if carried out correctly, means you are hungry on two days a week rather than every day. Received wisdom suggests that women need 2000 calories per day but that's "the average woman"! We are all different! If you think about it, at 5'6" and a practising karate black belt, my calorie requirement is very different from my 4'10" friend! Look up TDEE (Total Daily Energy Expenditure) so you are guided about calorie intake on your non-fasting days, then, why not give it a go? The fast diet website is a great resource.