Pregnancy one year after cesarean section, and the gestational sac is less than 2cm from the incision is not recommended to continue the pregnancy. The formation of the uterine scar after cesarean section takes about 6 to 12 months, and the elasticity of the scar at the uterine incision is optimal at about 2 to 3 years after the operation, which is the best time to get pregnant, otherwise the risk of uterine rupture is high. For patients whose gestational sac is less than 2cm from the scar on the anterior wall of the uterus, there is a higher risk of placenta praevia, placenta implantation, and post-partum hemorrhage, so it is not recommended to continue the pregnancy. For pregnant women with a history of cesarean section, it is recommended to use contraception for at least 2 years, and when you get pregnant again, you should first undergo a vaginal ultrasound to check the distance between the gestational sac and the scar on the anterior wall of the uterus, and terminate the pregnancy as soon as possible if the gestational sac is located in the scar of the previous surgery or if the distance is less than 2cm.