Help with calories!

I know there are so many discussion on this topic, but I NEED assistance! LOL I manually entered by goal of 1335 calories, which is what my BMR is. I found this by using the tools option above. Then whe I BF I go to food and enter 1oz=20cal via one of the options someone else already entered into the site. So I am eating my 1335 calories PLUS what I subtract for BF. Am I doing this right? The first week I did this I lost 1 lb...now two weeks later i am still sitting at that 1lb mark. my baby is almost 10 weeks old and eat 6-7 times a day