A healthy rate of weight loss is up to 1kg (2.2 lb) per week. If you already have a healthy diet in regards to the foods you eat you need to take a look at your portion sizes. Weigh your food to get an acurate acounting of the calories your actually consuming.
Water is also very important you need to be drinking enough
you also say this is baby weight ? if you are breast feeding you can't afford to cut calories to much without afecting milk supply.
You should be getting at least 1 gram of protein per kg (2.2 lb) of body weight. Protein helps you stay full for longer so you don't feel the urge to snack as much.
you also need to be eating lots of fibreous vegetable.




