Top
20
Doctor insights on: Paternity Determination

Share
1

1
What is non-invasive prenatal paternity testing?

What is non-invasive prenatal paternity testing?

NIPP: Non invasive paternity testing is a technology based on detection of fetal cells in the mother's blood. A variety of specialty labs offer this service and cite the ability to find such results as early as 8 weeks into the pregnancy. Traditional testing requires fetal cells from invasive procedures like sampling amniotic fluid by needle or the placental cells. ...Read more

4

4
Can early ultrasound help determine paternity?

Can early ultrasound help determine paternity?

No: Ultrasound will not determine paternity at any point. It can give you a range of days during which you were likely to have conceived. DNA testing would be the definitive test. ...Read more

See 2 more doctor answers
6

6
Is there a noninvasive prenatal paternity testing company that is credible?

Is there a noninvasive prenatal paternity testing company that is credible?

Unlikely : The key words of your question are credible and non-invasive.There are reports of maternal blood being used for screening, yet this technology is far from being accepted in court. Samples of the fetal membranes (cvs) or amniocentesis are accepted methods, but both pose some risk to mother and baby. Most paternity issues are handled by off site labs, hospitals or patients can obtain the test kits. ...Read more

See 1 more doctor answer
7

7
Do ovum donors undergo genetic testing or pedigree evaluation?

Do ovum donors undergo genetic testing or pedigree evaluation?

Yes: Check with your rei specialist for details, but all ovum donors would be asked to report a detailed family history and would be tested for common recessive disorders, such as cystic fibroisis. Many programs would also request more extensive testing including a panel of 100 such recessive diseases, including such problems as spinal muscular atrophy, the askenazi jewish panel, fragile x, & more. ...Read more

See 1 more doctor answer
8

8
Do pregnancy dating scans provide accurate results?

Do pregnancy dating scans provide accurate results?

Yes: Early or 1st trimester ultrasound is generally an accurate way to date pregnancy. However, the further along the pregnancy is, the less accurate the dates. ...Read more

See 6 more doctor answers
9

9
Medicolegal opinion of employer required drug testing?

Medicolegal opinion of employer required drug testing?

Medico legal: An employer may require a urine drug test in order for you to get the job. This is quite appropriate. You can refuse- and it will then be very unlikely that you will land the job. ...Read more

See 1 more doctor answer
10

10
Is paternity DNA testing while pregnant against the law?

Is paternity DNA testing while pregnant against the law?

Likely legal: Prenatal paternity testing is usually an optional test and would be done at the request of the patient and is not likely to be covered by insurance. It would require tissue samples from your fetus by an amniocentesis and from each prospective father (usually blood or buccal swab) - which would of course require the cooperation of the prospective fathers. ...Read more

See 2 more doctor answers
11

11
How accurate is amniocentesis?

How accurate is amniocentesis?

Very accurate: An amniocentesis samples the fetal dna from amniotic fluid. Because the test is sampling the baby's dna directly the test is extremely accurate. ...Read more

See 1 more doctor answer
12

12
Is a noninvasive prenatal paternity bloodtest, done with blood from alleged fathers, cfdna and 317.000 genetic markers a reliable test?

Is a noninvasive prenatal paternity bloodtest, done with blood from alleged fathers, cfdna and 317.000 genetic markers a reliable test?

Yes: Make sure the identity of the alleged fathers and pregnant mother are confirmed. Make sure no tampering with the blood. Science can reveal the dna. ...Read more

13

13
How can genetic testing assist expecting parents?

How can  genetic testing assist expecting parents?

Allay fears: Many couples approach pregnancy with some concern if a friend or close family member has had an unexpected outcome or a genetic issue runs in the family. Testing varies in accuracy and invasiveness. Couples can be tested for carrier state for some conditions before pregnancy or find out if a fetus carries a fatal combination early in pregnancy. ...Read more

14

14
Does noninvasive prenatal testing(cfDNA )capture baby's genetic defects?Is amniocentesis better for more accurate results? Im 31&12 weeks pregnant.

Does noninvasive prenatal testing(cfDNA )capture baby's genetic defects?Is amniocentesis better for more accurate results? Im 31&12 weeks pregnant.

Some and yes: The cf-DNA can detect many genetic anomalies but it is not 100% and when positive is usually confirmed by an amniocentesis for a full karyotype. The amniocentesis is the gold standard for detecting genetic anomalies . Sampling of the placental tissue _ ie: chorionic villus sampling would be comparable to an amniocentesis and can be performed earlier in the pregnancy. ...Read more

15

15
Help please! is the noninvasive prenatal paternity bloodtest with 317.000 genetic markers from natera reliable/ accurate? Can i trust the outcome?

Help please! is the noninvasive prenatal paternity bloodtest with 317.000 genetic markers   from natera reliable/ accurate? Can i trust the outcome?

Website : The company website states a 99.9% accuracy. Yesterday when you asked though you mentioned the results were "indeterminate". ...Read more

16

16
How accurate are genetic pedigrees?

Often incomplete: A pedigree is a standard diagram of your family history, using squares for males, circles for females, joining lines for marriage and offspring. Traits/diseases are indicated by marking the circles or squares, the patterns revealing inheritance mechanisms. Accuracy depends on completeness of family information and the knowledge/experience of the historian/interpreter (think clinical geneticist). ...Read more

18

18
Is the HIV DNA PCR test accurate enough for early diagnosis?

Is the HIV DNA PCR test accurate enough for early diagnosis?

Yes: The PCR is highly accurate and sensitive. It may take 6 weeks to 6 months for the elisa and western blot antibody tests to be positive. Since the PCR tests for the virus itself, it is detectable earlier, before an immune response has been initiated, but at a much higher price. ...Read more

19

19
Is paternity testing done at all the regular lab locations?

Is paternity testing done at all the regular lab locations?

Only at select labs: The two major laboratory companies--quest and labcorp have few locations in the country to run maternity testing requests. The blood samples can be drawn from vuirtually any local laboratory location, but then the samples are sent to the specific lab. So, as far as your testing need is concerned, it can be drawn anywhere and you will get the result--this u don't even need a doctor order! good luck. ...Read more

See 1 more doctor answer
20

20
Is genetic testing necessary for CMT diagnosis?

Is genetic testing necessary for CMT diagnosis?

No: Diagnosis can be made by other means, though genetic testing will provide confirmation and pin point the defect. See this site for more info. http://www.ncbi.nlm.nih.gov/pubmedhealth/pmh0001741/. ...Read more