妊娠期妇女如喝浓茶，不仅易患缺铁性贫血，还会影响胎儿的营养物质供应；浓茶中含咖啡碱的浓度较高，可使心跳加快，排尿增加，加重孕妇的心、肾负担，诱发尿毒症，不利于母体和胎儿的健康；咖啡碱对大脑的兴奋作用可引起失眠，使分娩时收缩无力，精疲力竭。因此，孕妇不宜喝 Pregnant women such as drinking tea, not only susceptible to iron deficiency anemia, but also affect the supply of fetal nutrients; strong concentration of caffeine in tea, can make rapid heartbeat, increased urination, increased pregnancy, heart and kidney burden , Induced uremia, is not conducive to the health of the mother and the fetus; caffeine on the brain can cause insomnia excitement, contraction of the childbirth weakness, exhaustion. Therefore, pregnant women should not drink