My one month old has dropped from the 33rd percentile to the 22nd percentile. We've been dealing with a bad latch from birth, but I can't seem to get her to latch correctly and maintain a strong suck at the same time. My supply is plummeting at this point, and I'm extremely overwhelmed about it. I've been working with an LC, but I'm still experiencing these issues. A couple of questions: 1) When should I worry about the weight issue? 2) What can I do about the latch and plummeting supply?