Every snake grows differently, so that question is rather hard to answer. Some BPs are short but quite thick, and others are long and thin. As long as your snake does, in fact, grow...then all should be well.![]()
This is mainly why it's better to keep track of a snake's growth via weight. The gaining and losing of grams is not only an accurate way to see how much the snake is growing, but also a fine way to get early warnings on potential health issues.