Dr.Vallenas says many mothers are discouraged from breast-feeding because they do not know how to get their baby to latch on properly to the breast's nipple, or because they suffer pain and discomfort.

VOA: standard.2009.08.01

For the trial, Flaherman and her colleagues assigned half the babies a couple days of birth to receive two teaspoons of formula after each breast-feeding, via a syringe so as not to encourage "nipple confusion" in which a baby has trouble transitioning between breast and bottle.

CNN: How formula could increase breast-feeding rates

Loss of sensation in the nipple in particular occurs anywhere from 10% to 70% of the time, says Dr. Nahai, president of the American Society for Aesthetic Plastic Surgery (ASAPS) depending on the type of procedure.

FORBES: Magazine Article

Whilst nearly all of the women knew that a lump in the breast could be a symptom of breast cancer, 93% did not know all the other possible symptoms, such as a change in breast size or shape, a rash of the nipple or surrounding area, pain that is unrelated to periods or puckering of the skin.

BBC: NEWS | Health | Women told to show breasts 'TLC'