Notes
   ¹ up to 30mms. Based on: (1)Mangel et al. Breastfeeding difficulties, breastfeeding duration, maternal body mass index, and breast anatomy: are they related?. Breastfeeding Medicine, 26 april 2019, ((109 participants, Israel); (2)Ziemer et al. Skin changes and pain in the nipple during the 1st week of lactation. Journal of Obstetric, Gynecologic & Neonatal Nursing, May 1993, (20 participants (Caucasian), USA); (3)Ramsay et al. Anatomy of the lactating human breast redefined with ultrasound imaging, 2005, (28 participants, Australia). 
     * Based on: (1)Mangel et al. Breastfeeding difficulties, breastfeeding duration, maternal body mass index, and breast anatomy: are they related?. Breastfeeding Medicine, 26 April 2019, ((109 participants, Israel); (2)Ziemer et al. Skin changes and pain in the nipple during the 1st week of lactation. 
  * Journal of Obstetric, Gynecologic & Neonatal Nursing, May 1993, (20 participants (Caucasian), USA); (3)Ramsay et al. Anatomy of the lactating human breast redefined with ultrasound imaging, 2005, (28 participants, Australia). 
  * BPA Free breast pump: Only associated with the bottle, and other parts that come into contact with breast milk. Following EU regulation, 10/2011