It also means increasing the amount of certain foods to make up for lost calories. (mindbodygreen.com)
Here again, if you cut down on protein, you need to replace lost calories with healthy fats such as avocados, coconut oil, olives, olive oil, butter and nuts. (articles.mercola.com)
Therefore take advantage of losing calories the way your body naturally intended - breastfeeding! (pregnancy-info.net)