Does drinking coffee during early pregnancy affect the fetus?

Caffeine contained in coffee belongs to irritating substances, which can stimulate the nerves of the body to induce uterine contractions, which is easy to cause abortion. At the same time, drinking coffee can also lead to the excitement of the baby's central nervous system, which is not conducive to the development of the cardiovascular system, and will also affect the baby's normal intelligence and personality. Therefore, the early pregnancy has an impact on the fetus.