Normal Growth of a Baby During Pregnancy. A baby grows and changes a lot in the 9 months of pregnancy. It can be helpful to know how your baby changes from month to month during this time.One of the things it can be helpful to remember is that the months of pregnancy do not exactly match the months of the calendar year.econd Month. The second month is especially important in the development of your baby. Drugs, viruses, or environmental factors, such as pesticides, could affect the baby's development at this time and cause birth defects. Your baby's development is very fast during the second month.
Tooth whiteners and oral hygiene products â such as certain toothpastes and mouth rinses â use hydrogen peroxide or carbamide peroxide for its whitening and/or disinfecting properties. Peroxide whitens teeth by passing into the tooth and reacting with the molecules that cause stains or discoloration.
Hydrogen peroxide is used for hair bleaching and for oxidation in permanent hair dyes and in oral hygiene products such as mouth-rinses and dentifrices as well as in tooth bleaching products. Source & Â© : SCCP, Opinion on Hydrogen peroxide, in its free form or when released, in oral hygiene products (2007) , 3.