You can either have someone at your gym do it or you can buy the calipers and do it yourself although I would not recommend that. There are also bodyfat scales but they are not very accurate. Your best bet is to have a personal trainer do it. You dropped cm and 2 jeans sizes!!!! Who cares about the weight. At this point it doesn't even matter. All that means is that you're building muscle and getting leaner which is what every woman wants!!! You're doing awesome. How about a gym with daycare? If you are looking for some great videos check out the ones I recommend on my site. I've tried most of them and they offer great and challenging workouts. I'm in the process of doing another article on videos. Look for it soon. the best workout videos