Ads
related to: tips procedure indications for pregnancy test results
Search results
Results from the WOW.Com Content Network
The two primary methods are testing for the female pregnancy hormone (human chorionic gonadotropin (hCG)) in blood or urine using a pregnancy test kit, and scanning with ultrasonography. [1] Testing blood for hCG results in the earliest detection of pregnancy. [2] Almost all pregnant women will have a positive urine pregnancy test one week ...
Valenti hypothesized in 1972 that the procedure he used to obtain fetal tissue could be used to obtain fetal blood, and in 1973, he was able to sample fetal vessels; fetoscopy was used and refined between 1974 and 1983 as a prenatal test to determine fetal status as well as obtain fetal blood and perform transfusions in some cases. [7]
The risk of miscarriage in CVS is estimated to be potentially as high as 1–2%. However some recent research has suggested that only a very small number of miscarriages that occur after CVS are a direct result of the procedure. [6] Apart from a risk of miscarriage, there is a risk of infection and amniotic fluid leakage.
The mechanism for pregnancy loss following amniocentesis is unknown but may be a consequence of bleeding, infection, or trauma to the fetus or the amniotic sac as a result of the procedure. [33] Studies from 2000 to 2006 estimated the procedure-related pregnancy loss at 0.6-0.86%.
The AFP test is often done in the second trimester using the serum from the maternal blood draw. This test looks at a specific protein that is formed in the liver of the fetus and released into the fluid contents of the womb, which is then absorbed into the mother's blood stream. Multiple determinations stem from the results of AFP testing.
In medicine, an indication is a valid reason to use a certain test, medication, procedure, or surgery. [1] There can be multiple indications to use a procedure or medication. [ 2 ] An indication can commonly be confused with the term diagnosis .
Obstetric ultrasonography, or prenatal ultrasound, is the use of medical ultrasonography in pregnancy, in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus (womb).
Gravindex is an agglutination inhibition test performed on a urine sample to detect pregnancy. [1] It is based on double antigen antibody reaction. The test detects the prevention of agglutination of HCG -coated latex particles by HCG present in the urine of pregnant women.
Ads
related to: tips procedure indications for pregnancy test results