Problem description: The number of days of pregnancy should be 81 days. Check b-scanning is 85 days. The last menstrual period starts at 1.23 days and ends at 1.29 days
Question date: 2021-05 -09
Patient information:Age: 22 years old, Gender: Female
Problem analysis: B-ultrasound has measurement errors like early B There is an error of three to five days for ultrasonography, and an error of one or two weeks for mid-to-late B-ultrasound is normal.
Guide suggestion: Generally, as long as the number of days of error is within a week, you will calculate your pregnancy time based on your last menstrual period.
Recommendations are for reference only. If the problem is serious, please go to the hospital for detailed inspection