Is the number of days of pregnancy on ultrasound accurate?

Is the number of days of pregnancy on ultrasound accurate?

Many people who want to know when they are pregnant usually choose to use B-ultrasound. Many new mothers ask some related questions. Although they have read a lot of relevant content, many people still feel doubtful. So, is the ultrasound examination of pregnancy time accurate?

B-mode ultrasound is a thriving subject that has developed rapidly in recent years. It has become an indispensable diagnostic method in modern clinical medicine. B-ultrasound can clearly display various cross-sectional images of various internal organs and peripheral organs. Because the images are full of solid lines and close to the true anatomical structure, ultrasound can be used to confirm the diagnosis at an early stage.

B-ultrasound detection of pregnancy time is generally more accurate, but B-ultrasound is only a detection method, and its result still depends on the judgment of the B-ultrasound doctor, so it is greatly affected by the doctor's level of experience. According to your situation, your period is usually delayed by 10 days. Your period came on February 2nd, and February can only last 28 days. So the next time should be around March 14th. Your ovulation period is 14 days before your period, which is around February 28th. The egg cell can survive in the body for about 2 days, so your pregnancy time is February 28th or one or two days later. So on April 22nd, your B-ultrasound examination showed that your pregnancy was about 50%. It is not difficult to see that your B-ultrasound examination results are quite accurate. It is completely normal that the disease was not detected the first time. There are many people who were sick and went to the hospital but the disease was not detected until they were hospitalized. Therefore, we cannot deny the value of B-ultrasound examination in diagnosing pregnancy because of one mistake. After all, B-ultrasound, as the main examination method for prenatal check-ups of pregnant women, has been tested by clinical nursing over the years.

How long after pregnancy can I take an ultrasound?

The first ultrasound examination is in the early stages of pregnancy, 6 weeks after menstruation. In addition to some routine gynecological examinations, B-ultrasound examinations are also required to confirm that the intrauterine pregnancy is normal. For example, if no pregnancy conditions are detected in the uterine cavity, but an abnormal mass is detected outside the uterine body, the possibility of ectopic pregnancy can be considered based on some other clinical symptoms and laboratory test results. Therefore, in the early stages of pregnancy, B-ultrasound can be used to determine whether it is a normal pregnancy, or whether it is twins or hydatidiform mole.

An ultrasound should be done around 16 weeks to get a rough idea of ​​the fetus's development. Then, an ultrasound follow-up will be conducted at 28 weeks. At this time, the growth and development of the fetal tissues and organs can be clearly understood, and whether there are any deformities. If there are deformities, relevant preventive measures should be taken according to the doctor's advice.

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