Breastfeeding twins is easier than bottle feeding twins, if breastfeeding is going well. This is why it is so important that a special effort should be made to get breastfeeding started right when the mother has had twins. Many women have breastfed triplets successfully. Twins and triplets take a lot of work and time no matter how the infants are fed.
Based in: http://breastfeeding.lifetips.com/cat/55784/breastfeeding-myths/index.html