today one of the most important tools for diagnosis of the condition of internal organs is an ultrasound.This is an inexpensive and accurate method that has received very widespread.And he is constantly being improved, it is now not uncommon 3D ultrasound, which allows you to immediately see the three views and three-dimensional image.
has long been actively using ultrasound obstetricians in monitoring the childbearing.If everything is normal, routine ultrasound during pregnancy is carried out three times.
absolute safety of this diagnostic tool to the fetus is not proven.Nevertheless, the planned ultrasound during pregnancy has been used for decades around the world, and also the negative impact has not been established.But do not abuse them.To refuse this procedure it is not recommended because in many cases, the information obtained through it, can save lives and health.
Today obstetricians determined the timing of ultrasound during pregnancy, and which must be followed.This is the key stages i
At 11-13 weeks the routine ultrasound in pregnancy to identify major malformations.At the time it checks for legs, arms, head, and revealed multiple.During this period, the baby has a structure of the brain, internal and external agencies, it took shape and grew.The doctor examines each vertebra to eliminate defects, studying the contours of the neck, abdomen, back.He inspects the thickness and shape of the skull bones, ears, soft tissues of the face.On chromosome disease may indicate the unusual size of the nasal bone.Determined fetal heartbeat and uterine condition.
Another routine ultrasound during pregnancy, which is held for 20 weeks, lets you know the sex of the child at certain of its provisions.However, its aim is a thorough examination of the fetus and the detection of deviations in the development, shaping and anatomy of the main systems and organs of the baby.Also, the physician should make sure that the fetus is provided with the necessary nutrients and to evaluate the structure and position of the placenta.It is most important and in some cases limited to.
Final routine ultrasound during pregnancy make the 30 week.During the procedure, determine the mass of fetal growth, the size of the body, previa, placental maturity, the state of the cervix, the location of the umbilical cord, as well as amniotic fluid.It is necessary to eliminate the delay of development.If there are complications, then added thereto doplerometrii - assessment of the placenta and fetal blood flow.
For certain indications study may be postponed until 35-36 weeks.For example, the presence of uterine scar behind which must be observed.After this procedure, the final decision on the process of labor management.
Sometimes if you suspect an ectopic pregnancy early ultrasound is performed approximately 5 week immediately after the missed period.At this time, the embryo has a size of about 3 mm.This procedure helps to clarify the period of pregnancy and mnogodlodnost and confirm the viability of the embryo.In addition, while it determined the condition of the placenta.After all violations in it can give rise to abnormalities in fetal development.
Thus, pregnancy ultrasound can help identify problems, such as the implantation of the egg in the tube malformations, placental abruption, problematic location of the fetus, umbilical cord entanglement, hypertonicity of the uterus.If they are identified in a timely manner, it is possible to save the life of mother and child.