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1.
September 2017

FAQ133, September 2017

Why are tests done during pregnancy? A number of lab tests are suggested for all women as part of routine prenatal care. These tests can help find conditions that can increase the risk of complications for you and your fetus.


2.
September 2017

FAQ105, September 2017

What is group B streptococcus (GBS)? Group B streptococcus is one of the many types of bacteria that live in the body and usually do not cause serious illness. It is found in the digestive, urinary, and reproductive tracts of men and women. In women, it can be found in the vagina and rectum. GBS is not a sexually transmitted infection (STI). Also, although the names are similar, GBS is different from group A streptococcus, the bacteria that causes “strep throat.”


FAQ165, July 2017

What is prenatal genetic testing? Prenatal genetic testing gives parents-to-be information about whether their fetus has certain genetic disorders.


4.
June 2017

FAQ025, June 2017

What is ultrasound? Ultrasound is energy in the form of sound waves. During an ultrasound exam, a transducer sends sound waves through the body. The sound waves come into contact with tissues, body fluids, and bones. The waves then bounce back, like echoes. The transducer receives these echoes, which are turned into images. The images can be viewed as pictures on a video screen.


FAQ164, September 2016

What is prenatal genetic testing? Prenatal genetic testing gives parents-to-be information about whether their fetus has certain genetic disorders.


FAQ164, September 2015

What are prenatal diagnostic tests? Prenatal diagnostic tests are tests that can detect certain disorders before a baby is born.


PFSI008 How the Test Is Done CELL-FREE DNA PRENATAL SCREENING TEST What is it? The cell-free DNA prenatal screening test (also called “cfDNA test”) screens for certain conditions caused by an abnormal number of chromosomes. It does not test for all types of chromosomal disorders. Screening tests are used to estimate whether your baby is at higher risk or lower risk of having a certain condition. Diagnostic tests can give a definite answer about whether the baby has a certain condition. These tests include amniocentesis or chorionic villus sampling (CVS). = maternal ...


FAQ165, April 2014

What is a birth defect? A birth defect is a problem that is present at birth, although it may not be noticed until the child is older. Birth defects may affect any part of the body, including major organs such as the heart, lungs, or brain. The defect may affect the baby’s appearance, a body function, or both.


FAQ098, November 2013

Why may special tests be needed during pregnancy? Special testing during pregnancy most often is done when the fetus is at increased risk of problems that could result in pregnancy complications or lead to stillbirth. This can occur in the following situations: High-risk pregnancy (a woman has had complications in a previous pregnancy or has a preexisting health condition such as diabetes or heart disease) Problems during pregnancy, such as fetal growth problems, Rh sensitization, or high blood pressure Decreased movement of the fetus Pregnancy that goes past 42 weeks (postterm pregnancy...


FAQ027, September 2013

What is the Rh factor? Just as there are different major blood groups, such as type A and type B, there also is an Rh factor. The Rh factor is a protein that can be present on the surface of red blood cells. Most people have the Rh factor—they are Rh positive. Others do not have the Rh factor—they are Rh negative.


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