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.
Levels and Effects of PPD. Perinatal and postpartum depressions can be separated into several levels â from postpartum depression and anxiety to postpartum psychosis. Understanding the signs and symptoms of each level will help health care providers better understand how to treat each level of PPD.