Generally there is no effect of having a negative ultrasound at 11 weeks of pregnancy, and you need to be under the supervision of your doctor. During pregnancy, it is important to follow the doctor’s instructions to have regular checkups, and ultrasound is performed at about 6 weeks after menopause to clarify a normal intrauterine pregnancy and to understand the development of the embryo. Transvaginal ultrasound is a method of ultrasound examination in which an ultrasound probe is placed into the vagina of the pregnant woman, which can more accurately depict the development of the fetus. Therefore, a vaginal ultrasound at 11 weeks’ gestation is generally not affected, and the examination can be conducted according to the doctor’s instructions. Early pregnancy should pay attention to appropriate rest, avoid strenuous exercise and overwork, but also appropriate increase in diet and nutrition, continue to follow the doctor’s advice to take folic acid on time. At 11-13⁺⁶ weeks of gestation, ultrasound is performed to determine NT (fetal nuchal translucency) to initially screen the fetus for the risk of chromosomal disorders, and continue to follow the doctor’s instructions for timely prenatal checkups.