Janet, I too believe in nipple confusion, but I think the crucial time is within the first few days of life. By two weeks many babies are firmly established at breast. I also agree that not every baby gets confused. Some can go back and forth, breast and bottle right from the beginning. I'm also seeing older babies(4 to 6 months) who develope preference to the bottle and wean prematurely, much to mother's distress. One mother was told she had to start giving her baby a bottle or he would refuse to ever take one. She started giving one bottle a day and gradually he started refusing the breast. I'm wondering about suggesting cup feeding for these older babies. Does anybody have experience with this. Marilee Woodworth