Stuck in a Rut! Need some help, please.

So I'm stuck in a rut. I haven't lost anything in a week. This week I've been walking three times , I went swimming once, and I got to ride my X-bike once this week. But haven't had time for much else lately. I can tell that my calves are becoming more defined, but everything else is the same. I keep telling myself that I want to lose weight slowly so that my skin has time to catch up, but I would like to see something on the scale each week. Is there something that I can do to get out of this rut?

Here's some info:

I've lost 37 lbs so far since Jan 2012. I'm on 1350 cals/day. I walk for 30-60 mins 3-4 times a week, do some calisthenics (jumping jacks, jogging in place, squats, push-ups, crunches, lunges) with 5 lbs weights 6 times a month, ride my exercise bike 2-3 times a week for 30 mins on lvl 4/5 of 8, run in my back yard with the dog 3-4 times a week, and take care of a 4 year old full time. I don't count anything with the dog or my daughter towards exercise, but I figured every little thing does add up. I am currently at 201lbs down from 237.5 and I'm only 5'2" so I know how horribly overweight I was and still am, but I'm trying to fix that.