During pregnancy, you can occasionally drink coffee in small amounts, but you should not drink too much, and it is generally recommended that you try not to drink it.
Coffee contains caffeine, a small amount of coffee during pregnancy can stimulate the nerves, improve the phenomenon of mental instability that occurs during pregnancy, can refresh.
But if you drink too much coffee will produce certain harm. Caffeine in coffee can excite the central nervous system, such as drinking too much coffee or often drink coffee will easily lead to insomnia, anxiety, make the heart beat faster, and even caffeine can be used in the fetus through the placenta, so that the fetus frequent fetal movement, restlessness, and so on.
In summary, drinking coffee during pregnancy does more harm than good, it is recommended that during pregnancy do not drink coffee, if you really want to drink can occasionally drink a small amount of drink, should not be too much.