6. Shouldn’t a pregnant woman drink tea?
Though a question is raised as to whether green tea is harmful to pregnant women as it contains caffeine ingredient, there is no effect because green tea contains catechin not contained in coffee that limits absorption of caffeine into the body. Rather, as tea leaves contain various minerals and vitamins, pregnant women are positively encouraged to drink green tea in Japan. A study result has been reported that, if minerals, zinc and copper in particular, are insufficient during pregnancy, a low birth-weight baby is likely to be born, and green tea is good for embryonic growth as it contains much of such ingredients.