Errors between fetal MRI and B-ultrasound

Once you are pregnant with a baby, you will inevitably have to go through a lot of various tests. What we often hear about is B-ultrasound and other tests. It seems that pregnant women rarely do MRI. However, some pregnant mothers have done MRI examinations. So which one is better, MRI or B-ultrasound? Will these two examinations have any different effects on the fetus?

Difference between fetal MRI and B-ultrasound

Once you are pregnant with a baby, you will inevitably have to go through a lot of various tests. What we often hear about is B-ultrasound and other tests. It seems that pregnant women rarely do MRI. However, some pregnant mothers have done MRI examinations. So which one is better, MRI or B-ultrasound? Will these two examinations have any different effects on the fetus?

During pregnancy, pregnant women are most worried about the damage caused by radiation to the fetus. However, in some cases, MRI is necessary to examine the body. This is because obesity, adenomyoma, oligohydramnios, the fetus has entered the pelvis, and abnormalities in the posterior cranial fossa of the fetus in the third month of pregnancy make it impossible for prenatal ultrasound to provide diagnostic information. In some cases, prenatal ultrasound cannot confirm or has already confirmed central nervous system errors. MRI can provide more supplementary information.

During pregnancy, the routine physical examination is B-ultrasound. When the color ultrasound examination suspects or finds that there is a problem with the fetus, the doctor will recommend the pregnant woman to undergo an MRI examination. Magnetic resonance imaging is an imaging technology that uses radio waves emitted by the outside world at a certain rate to the body, and creates images by combining with the radio waves generated during the magnetic resonance process. Many people have an incorrect understanding of the basic principles of magnetic resonance. In fact, nucleus refers to the atoms of the body itself, and magnetic refers to the electromagnetic environment we enter during a routine physical examination, and resonance is a natural physical change of a common phenomenon.

Therefore, there is no harm caused by radioactive substances during MRI examination. And there is currently no reference that MRI harms baby's development. However, in the first three months of pregnancy, the test tube embryo is still in the stage of cell differentiation and puberty development, so MRI examinations should be avoided as much as possible. It has not been confirmed whether the enhancers in MRI have adverse effects on the fetus, so there is no need to inject enhancers during MRI examinations.