Towards the third day, it is physiological that breast is sometimes tense by the influx of extracellular liquids towards the breast, and it is necessary to tell blocking by one suckled frequent or of massages. Beyond the first week, mammary blocking manifests itself by painful tensions of one or both breast....

Crack is mainly due to a bad catch of the nipple or to a bad position. The length of the suckling is not absolutely corr l e in the appearance of crack, if the child suckles well. Moreover, if the suckling is too short, there is not or not enough production of ocytocine, therefore...