Nipple Trauma Score
nipple pain
Variables were classified, for analysis, into independent and dependent variables. The chosen independent variables were age (numerical, in complete years), parity (nominal, primiparous and multiparous), postpartum day of inclusion of women in the study (nominal, being 1Associated dependent variables were damage size (numerical, in millimeters), nipple pain score during BF (ordinal, absent (0)/mild (1-3)/moderate (4-6)/severe (7-10) and degree of damaged nipples (nominal, NTS 2 and NTS 3 categorization).