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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...


2.
April 2017

FAQ179, April 2017

Pregnancy What is carrier screening? What is a carrier? What are the chances of having a child with a genetic disorder? How is carrier screening done? When can carrier screening be done? Do I have to have carrier screening? What carrier screening tests are available? Who should have carrier screening? What is targeted carrier screening? What is expanded carrier screening? Is one approach better than the other? What choices do I have if my partner and I are carriers of a genetic disorder? How accurate is carrier screening? Are results...


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 ...


4.
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.


PFS005, August 2015

Human immunodeficiency virus (HIV) is the virus that causes acquired immunodeficiency syndrome (AIDS). HIV can enter the bloodstream through contact with an infected person’s body fluids, such as blood or semen. This can happen during sex or by sharing needles used to inject drugs. An infected woman who is pregnant can pass the virus to her baby. Women with HIV who breastfeed also can pass the virus to their babies. Once in the blood, HIV attacks the immune system. As the immune system weakens, the body becomes less able to resist disease and other infections. AIDS is diagnosed when a perso...


6.
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.


FAQ147, May 2011

What is endometrial hyperplasia? Endometrial hyperplasia is a condition that occurs when the lining of the uterus (endometrium) grows too much. It is a benign (not cancer) condition. In some cases, however, it can lead to cancer of the uterus.


8.
August 2011

FAQ143, August 2011

What is hysterosalpingography (HSG)? Hysterosalpingography (HSG) is an X-ray procedure that is used to view the inside of the uterus and fallopian tubes. It often is used to see if the fallopian tubes are partly or fully blocked. It also can show if the inside of the uterus is of a normal size and shape. All of these problems can lead to infertility and pregnancy problems. HSG also is used a few months after some tubal sterilization procedures to make sure that the fallopian tubes have been completely blocked. HSG is not done if a woman has any of the following conditions: Pregnancy, Pelvi...


9.
October 2017

FAQ136, October 2017

What is an infertility evaluation? An infertility evaluation includes exams and tests to try to find the reason why you and your partner have not become pregnant. If a cause is found, treatment may be possible. In many cases, infertility can be successfully treated even if no cause is found.


10.
April 2017

FAQ075, April 2017

What is an ovarian cyst? An ovarian cyst is a sac or pouch filled with fluid or other tissue that forms in or on an ovary. Ovarian cysts are very common. They can occur during the childbearing years or after menopause. Most ovarian cysts are benign (not cancer) and go away on their own without treatment. Rarely, a cyst may be malignant (cancer) (see FAQ096 Ovarian Cancer).


American College of Obstetricians and Gynecologists
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