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Parameters Measured in Pregnancy Follow-up
What is CRL (Head Butt Distance)?
This measurement is made at 7-13 weeks of gestation and 3-4 days gives a margin of error.
What is BPD Measurement (Biparietal diameter)?
It is the measurement of the distance between the bones called parietal bone located on both sides of the head.
This measurement After the 13th week makes. At 13 weeks, it increases around 2.4 cm and increases to 9.5 cm at term. Since BPD lengths of infants with the same weight may vary, their reliability decreases in the late pregnancy.
FL (Femoral length) on ultrasound What it means?
It is the measurement of the bone called the femur between the hip and knee. It is the longest bone in the human body and reflects the baby's longitudinal development.
Its reliability is similar to BPD and is measured around 7.8 cm at term from 1.5 cm at 14 weeks.
AC (Abdominal Measurement) in Pregnancy
It is the most important measurement in late pregnancy. It gives clues about the size and weight of the fetus rather than the gestational age.
Weight of fetus BPD, FL and HUNGRYcan be determined approximately by evaluating. Many advanced ultrasound devices do this calculation automatically, but there are also charts and tables for manual calculation.
Locating the placenta
Obstetric ultrasonography placenta previa and such placental anomalies is the most effective method in the detection.
The diagnosis of multiple pregnancy is made by ultrasonography. In addition, the position of the babies, the presence of diseases such as fetus to fetus transfusion syndrome, and the number of placenta and amniotic sacs are also detected by ultrasonography.
Amniotic Fluid Diseases
Cases where amniotic fluid is too much or too low are also detected by ultrasonography. In both cases, the fetus should be carefully evaluated for anomalies.
Fetal Anomalies (Detailed Ultrasonography)
Many fetal anomalies Around 20 weeks can be determined by detailed ultrasonography. Hydrocephalus which may belong to the baby in this examination, also called second level or malformation ultrasonography, spina bifida as well as anomalies affecting internal organs such as diaphragmatic hernia, stenosis of the duodenum.
Furthermore, with the help of more advanced devices, cleft palate, cleft lip, congenital heart anomalies and Down syndrome can be detected. Additionally amniocentesis, chorionic villus biopsy, blood sample from umbilical cord and similar procedures applied to the unborn baby are performed under ultrasound guidance.
To find out the differences between true birth and false birth symptoms: // www. / Pseudo-of-birth-what are the symptoms
To review the prenatal requirement list: // www. / Birth-oncesi-need-list /