What is the normal range of double marker test?
Result of dual test normal range A Free-beta Human Chorionic Gonadotropin range for all age groups should be between 25,700 to 2,88,000 mIU per ml. This is the normal range for this above-concerned test.
How do you read a double marker report?
The result of the double marker test is presented in the form of ratios. If the ratio is between 1:10 to 1:250, it is termed as a “screen positive” result which lies in the high-risk zone. A ratio of 1:1000 or above is termed as “screen negative” result which shows a low risk.
What does double marker test indicate?
Also known as Maternal Double Marker. Dual marker test is a first trimester screening test advised to all pregnant women, for assessing the risk of certain genetic abnormalities in the fetus. It can be conducted between the 9th-13th week of pregnancy, but the ideal sampling time is between 11-13th week.
What is the normal ratio for Down syndrome?
The cut off is 1 in 150. This means that if your screening test results show a risk of between 1 in 2 to 1 in 150 that the baby has Down’s syndrome, this is classified as a higher risk result. If the results show a risk of 1 in 151 or more, this is classified as a lower risk result.
What is the normal range of Trisomy 21?
The cut-off values were as follows: Trisomy 21 ≥ 1:270; Trisomy 18 ≥ 1: 350, AFP MoM ≥2.50, high risk of ONTD . Pregnant women with a high risk of Trisomy 21 and Trisomy 18 were advised to undergo karyotype analysis using the amniotic fluid cells in order to confirm the diagnosis.
What is considered low PAPP a level?
A Papp-A level more than or equal to 0.5 MOM is considered normal, while levels less than 0.5 MOM are marked as low.
What are hCG levels in Down syndrome?
The median free β-hCG concentration in Down’s syndrome pregnancies was 2.22 MoM (95% confidence interval (CI), 1.84–2.68 MoM), significantly higher than that in unaffected pregnancies (P<0.001).
What are normal PAPP-A levels at 12 weeks?
What is a good hCG level at 12 weeks?
hCG Levels Chart by Week
|Pregnancy week||Range of hCG levels in milli-international units per milliliter (mIU/mL)|
|9 weeks||59,109–135,901 mIU/mL|
|10 weeks||44,186–170,409 mIU/mL|
|12 weeks||27,107–201,165 mIU/mL|
|14 weeks||24,302–93,646 mIU/mL|