The last number is called a check digit which enables the scanner to determine if the barcode was scanned correctly or not. A linear barcode typically holds any type of text information. In contrast, a 2D barcode is more complex and can include more information in the code: price, quantity, web address or image.
April 2014, pp. Breastfeeding is negatively affected by prenatal depression and reduces postpartum depression. This prospective cohort study explored the effects of prenatal and postpartum depression on breastfeeding and the effect of breastfeeding on postpartum depression.
New moms often are emotionally sensitive and tend to cry easily. The baby blues is uncomfortable, but usually doesn't interfere with functioning as a mother, and it almost always goes away within a few weeks. Postpartum depression is a different matter. It affects up to 15% of new mothers. It may begin at any time in the first two to three months after giving birth. The mother feels sad or hopeless and sometimes guilty or worthless. She is unable to concentrate and unable to take any interest in anything, even the baby.