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.
Use the hydrogen peroxide as a mouthwash daily before you brush your teeth. 1  Pour about 2 tablespoons (30 milliliters) of the antiseptic into your mouth, and swish it around for 1 minute. 2  Spit out the solution, and rinse your mouth with water. 3  Brush your teeth as you normally would.. Brush your teeth with a hydrogen peroxide and baking soda paste once a week. 1  Pour 2 teaspoons (10 milliliters) of hydrogen peroxide into 3 teaspoons (15 milliliters) of baking soda. 2  Mix these together until a paste forms.