Vaginal ultrasound during early pregnancy may increase the risk of vaginitis, vaginal bleeding and even miscarriage. The type of ultrasound performed during early pregnancy depends on your condition. If you have symptoms of vaginitis, a vaginal ultrasound may increase the risk of vaginal and uterine infections, or even cause the infection to spread. If there is injury to the vagina, vaginal can increase the risk of wound rupture and infection. If the embryo is underdeveloped, vaginal ultrasound may increase the possibility of miscarriage. However, if the general condition is still good, and there are no obvious contraindications, early pregnancy can also be performed ultrasound, can more accurately determine the location of the fetal sac, which in turn facilitates the development of follow-up treatment. It is recommended to go to a regular hospital for an obstetric examination in early pregnancy and choose the appropriate examination method under the guidance of the doctor.