This is a healthy body composition and your weight sounds healthy also.
If you exercise 20-40 minutes a day you should easily be able to maintain or
lower your body fat percentage.
As long as your body composition is in the healthy ranges and you feel
comfortable, it is up to your preference how lean you would like to get.
Experts recommend slow and steady weight loss for breastfeeding women so if
you want to lower your body fat percentage, make sure you take a slow and steady
While you are breastfeeding any level of body fat is healthy provided it does
not interfere with your breastfeeding. Most lactating women will need to
consume about 500 additional calories above their normal pre-pregnancy food