1018. β-hCG total (human chorionic gonadotropin total) - prenatal
Important information
*For pregnant women at 5-18 weeks of gestation included
Description
Human chorionic gonadotropin is a hormone produced by chorion cells (a specific pregnancy hormone). The test is for total human prenatal β-chorionic gonadotropin is performed in pregnant women at 5–18 weeks of gestation.
The test is recommended for confirming pregnancy, monitoring the progression of pregnancy, diagnosing ectopic pregnancy, multiple pregnancy, antenatal fetal death.
The complex prescribes tests for free estriol and alpha-fetoprotein – a ‘triple test’ for prenatal screening in the second trimester of pregnancy.
When and who needs the test?
- diagnosis of pregnancy;
- the absence of a fetal egg in the uterine cavity according to ultrasound data against the background of signs of pregnancy;
- suspected ectopic pregnancy;
- monitoring the progression of pregnancy;
- suspicion of trophoblastic disease;
- prenatal screening in the second trimester of pregnancy (included in the ‘triple test’ along with AFP and free estriol).
Biological material
- Venous blood
Preparing for a blood test
In order to exclude factors that may affect the test results, we recommend to follow the preparation rules:
- an important condition for laboratory tests is to take blood on an empty stomach.
- 6-12 hours before the test, you should avoid eating, drinking alcohol, smoking, and limit physical activity. Drinking...
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