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.
Limit your use of bubble bath when taking a bath while pregnant, and avoid using bubble bath more than twice a month. 3. Soak for no more than one hour. Avoid staying in the bath for more than one hour to cut down on your risk of infection. Enjoy a one hour soak to ease swollen limbs and relax your pregnant body.