The hazards of a bumpy car ride in early pregnancy include the following: the first aspect is that it is not good for a woman’s uterus because in the early stages of pregnancy a woman’s uterus will be subjected to more pressure, and the pressure will cause some mechanical trauma to the uterus. Coupled with the bumpy ride, the woman’s body will undergo more serious shaking, which may cause more damage to the already pregnant uterus. The second aspect is that it may be detrimental to the fetus. The fetus is inside the uterus of the woman, and the uterus plays a protective and nutritive role for the fetus, so if the woman is hit by severe bumps while riding in the car, the force of the bumps may be transmitted to the uterus, which may result in damage to the fetus. The effect on the fetus in the early stages of pregnancy is small, but it may cause a large change in the position of the fetus in the mother’s body, and may even cause a series of symptoms such as lack of oxygen to the fetus, but it will not lead to the serious consequences of miscarriage.