Hey carly as a mum of two i have learned that what you can do is best for weight loss.
last year i lost 50 pounds.
and with a 4 month old i bet your walk is pushing a grumpy baby at witching hour?? lol my two always played up in the afternoon.. which is why i call it witching hour..
good on ya for your efforts to loose wight with a young bub.. its fantastic..