baby blood test while pregnant

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Here are some tests you may encounter during from you:

test: In one of your initial examination, the doctor or going to identify the type and Rh (rhesus) factor, screen for, check for immunity to (), and ,, and etc.

Depending on the race. , Tests ethnicity, or family background, you may be offered genetic counseling and to assess the risk for diseases such as Tay-Sachs, and (if this is not done on a visit prejudice). Testing of exposure to diseases such as toxoplasmosis, and varicella (the virus that causes chickenpox) can also be carried out if necessary. Your provider may also want to check your levels of hCG, a hormone secreted by the placenta, and / or, a hormone that helps maintain pregnancy

urine test. You will also be asked early for urine samples so that the doctor or midwife can see the signs and, if necessary, to confirm your pregnancy by measuring hCG levels. (HCG tests confirm pregnancy blood can be used instead.) Urine samples will then be collected on a regular basis to detect glucose (a sign) and protein, which can indicate the presence of - a disease due to pregnancy are accompanied by.

at the end of the first trimester you will be offered a genetic test. First you must decide if you want any genetic testing altogether. Some people feel like this test can cause them undue stress and they prefer to make sure the baby is genetically normal after the baby is born. Some people want to go ahead and do all the testing they can realize that this test is sometimes not 100% accurate. Talk with your doctor about the pros and cons before proceeding to see whether genetic testing is right for you and your pregnancy. There are different genetic testing options that involve blood tests alone or with which do not involve a risk with. If the non-invasive test is not normal, then further testing will be offered to you. At that point, you can decide whether you want to do the test or not.

The first semester combines a blood test to screen for possible available between 11 and 14 weeks of pregnancy. The results of blood test that measures hCG and / or PAPP-A (pregnancy-associated plasma protein A) in the mother's blood is used with ultrasound measurements in the back of the neck (called nuchal translucent). The procedure may be able to take the majority of cases of Down syndrome and other genetic conditions. However, as with all methods of screening, more invasive diagnostic techniques such as CVS used if the result is positive

Non-Invasive (NIPT) screening :. Cell-free fetal DNA testing can be done as early as after 10 weeks of pregnancy. The test uses a blood sample to measure the relative amount of free fetal DNA in maternal blood. It is estimated that the test can detect 99% of all Down syndrome pregnancies. It is also a test for some other chromosomal abnormalities.

(CVS): If you are 35 or older, have a family history of certain diseases, or have positive results in non-invasive genetic test, you will be offered an optional, an invasive test is usually between 10 and 12 weeks of pregnancy. CVS can detect many genetic defects, such as Down syndrome, sickle cell anemia, cystic fibrosis, and. The procedure involves threading a small catheter either through or inserting needles into to obtain a tissue sample from the placenta. The procedure carries a risk of 1% to stimulate and about 98% accurate in ruling out a particular chromosome. But, in contrast to, it does not help in detecting a neural tube defect, such as and, or abdominal wall defects.

Be sure to discuss all the options your test with your doctor so that together you can decide on those that will be best for you

SOURCE :. Danforth Obstetrics and Gynecology, issue 9, 2003. Gabbe: Obstetrics-normal and problem pregnancies, issue 4, 2002. The march of Dimes. WebMD Medical Reference provided in collaboration with The Cleveland Clinic: "Pregnancy Chorionic villus sampling :." Ob / Gyn Ultrasound Clinic in Fairbanks, Fairbanks, Alaska. "FAQ :: Free cells of fetal DNA Testing" Nedical UCSF Center

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