Obstetric examination prompts the need to confirm pregnancy and rule out ectopic pregnancy. A urine test is usually done to determine whether pregnancy is possible. Ultrasound examination can also be used to observe the fetal sac and fetal heartbeat in the uterine cavity. The disease reminds people that the second month of pregnancy is a dangerous period for the fetus. A minor illness or pain in an expectant mother may be a catastrophe to the fetus, and may even result in the loss of just two months of life. In addition to preventing threatened abortion, cleft lip and palate, and congenital rubella syndrome, we must also be vigilant about infectious diseases