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.
After delivery, there is a sudden change in estrogen and progesterone hormone levels in a womanâs body. While these hormone levels are very high during pregnancy, they quickly return to normal within the first 24 hours after delivery. This rapid change in the hormone level can result in postpartum distress syndrome.