The pregnancy sac is 1.2 centimeters away from the scar at 8 weeks of pregnancy is not dangerous for the time being, you can follow the doctor’s instructions for dynamic observation and regular rechecks. For keloid uterus with history of cesarean section, there may be a risk of keloid pregnancy, which is a kind of ectopic pregnancy in which the fertilized egg is deposited in the uterine incision scar of the previous cesarean section. When the ultrasound examination at 8 weeks of pregnancy indicates that the gestational sac is 1.2cm away from the scar, it is not dangerous for the time being, so you can follow the doctor’s instructions to observe the pregnancy dynamically and recheck the position of the gestational sac on a regular basis. When the ultrasound indicates that the gestational sac is growing towards the uterine cavity, it will gradually move away from the scar, which is a normal pregnancy. When the gestational sac grows towards the scar, it may increase the risk of placenta praevia and placenta implantation, which increases the risk of pregnancy, and it is necessary to strengthen the management of pregnancy, and review the examination on time so as to detect abnormalities in time and deal with them according to the maternal-fetal situation.