Carbon dioxide. Carbon dioxide (chemical formula CO2) is a colorless gas with a density about 60% higher than that of air (1.225 g/L) that is odorless at normally encountered concentrations. Carbon dioxide consists of a carbon atom covalently double bonded to two oxygen atoms.
You should only do ballet in pregnancy if you are used to it. Ballet stretches can place a lot of pressure on your joints, especially your pelvic joints, and standing on one leg can cause pain in your pelvis.
There is no known safe amount of alcohol to drink while pregnant. Vaccinations: Talk to your doctor about vaccinations (shots). Many are safe and recommended during pregnancy, but some are not. Having the right vaccinations at the right time can help keep you and your baby healthy.Flu and Pregnancy: If you're pregnant, a flu shot is your best protection against serious illness from the flu.here is no known safe amount of alcohol to drink while pregnant. Vaccinations: Talk to your doctor about vaccinations (shots). Many are safe and recommended during pregnancy, but some are not. Having the right vaccinations at the right time can help keep you and your baby healthy.