There is no way to measure the survival of the fetus at 13 weeks of pregnancy, and it is necessary to make a comprehensive judgment based on the clinical symptoms, signs, and auxiliary examinations of the pregnant woman.
1. Clinical symptoms: if the pregnant woman 13 weeks pregnant vaginal bleeding, abdominal pain, early pregnancy reaction disappears and other symptoms, do not rule out the possibility of miscarriage, need to further ultrasound and other examinations to determine whether the embryo is alive.
2. Signs: suspected miscarriage gynecological examination may appear cervical dilatation, amniotic sac prolapse, intrauterine hemorrhage and other signs, if the gestational material is discharged, the embryo is not viable.
3. Auxiliary examination: ultrasonography is needed to determine whether the embryo is viable or not, if the ultrasonography suggests that the fetal heart has disappeared, then the embryo has stopped, and it is necessary to be admitted to the hospital to carry out abortion.
Blood chorionic gonadotropin and progesterone test is also helpful in the judgment of miscarriage, if the measurement value is lower than normal or continues to decrease, there is a tendency to miscarriage, need to supplement progesterone treatment.
The patient should seek medical advice and follow the doctor’s instructions for examination and treatment.