... I still, and wanted to express milk for more flexibility and give the bottle. To this phenomenon "nipple confusion" prevent I used these recommended bottle. Conclusion: My son gets a gag reflex on the length of the nipple, he takes the bottle only with much weeping, and when he drinks then the bottle in the blink drunk empty, the milk runs out so fast that it made him sideways the corners of his mouth runs. Are we no longer accept!