1/13/2024 0 Comments Panorama blood test![]() Your doctor will perform follow-up tests to confirm a diagnosis. This test may require you to fast for at least 8 hours before your blood is drawn, depending on the instructions of your doctor and what the test is measuring. Basic metabolic panelĪ basic metabolic panel (BMP) usually checks for levels of eight compounds in the blood: nutritional deficiencies, such as vitamin B6 or B12īased on your results, your doctor will order follow-up tests to confirm abnormal levels and a possible diagnosis.Hematocrit (percentage of blood made of red blood cells)Ībnormal levels of these components may indicate: Hemoglobin (protein within the red blood cells that carries oxygen to organs and tissues, and carbon dioxide back to the lungs) Platelets (the substances that control the clotting of the blood) White blood cells (immune system cells in the blood) 20, 2018.Red blood cells (cells responsible for carrying oxygen throughout the body) American College of Obstetricians and Gynecologists. American College of Obstetricians and Gynecologists (ACOG) Committee on Practice Bulletins - Obstetrics, Committee on Genetics, and the Society for Maternal-Fetal Medicine.162: Prenatal diagnostic testing for genetic disorders. 693: Counseling about genetic testing and communication of genetic test results. American College of Obstetricians and Gynecologists Committee on Genetics.What are the risks? Weigh the risks of specific prenatal tests - such as anxiety, pain or possible miscarriage - against the value of knowing the results.The rate of inaccurate results, known as false-negative or false-positive results, varies from test to test. How accurate are the results? Prenatal screening isn't perfect.In other cases, prenatal testing alerts your health care provider to a condition that requires immediate treatment after birth. Will the information shape your prenatal care? Some prenatal tests detect problems that can be treated during pregnancy.On the other hand, you might welcome the opportunity to plan for your baby's care in advance. However, if prenatal testing indicates that your baby might have a birth defect, you could be faced with wrenching decisions - such as whether to continue the pregnancy. What will you do with the test results? Test results within the standard range can ease your anxiety.Before going forward, consider these questions: It's important to make an informed decision about prenatal testing, especially if you're screening for fetal conditions that can't be treated. Prenatal screening tests for fetal abnormalities are optional. This screening can also provide information about a baby's sex and Rh blood type. This blood test examines fetal DNA in the maternal bloodstream to screen for the increased chance for specific chromosome problems, such as Down syndrome. The test can also help detect neural tube defects - serious abnormalities of the brain or spinal cord. Results indicate your risk of carrying a baby who has certain chromosomal conditions, such as Down syndrome. ![]() This test measures levels of four substances in your blood. During your second trimester, your health care provider will offer another blood test called the quad screen. In Down syndrome and in certain other conditions, the nuchal translucency measurement is larger than usual. ![]() During your first trimester, your health care provider will offer a blood test and an ultrasound to measure the size of the clear space in the tissue at the back of a baby's neck (nuchal translucency). Some diagnostic tests, such as chorionic villus sampling and amniocentesis, carry a slight risk of miscarriage. A diagnostic test is the only way to be sure of a diagnosis. If a screening test indicates a possible problem - or your age, family history or medical history puts you at increased risk of having a baby with a genetic problem - you might consider an invasive prenatal diagnostic test. If results indicate an increased risk for a genetic disorder, your health care provider will discuss your options for a diagnostic test to confirm the diagnosis. Screening tests can't make a definitive diagnosis. Prenatal screening tests are usually offered during the first or second trimester. These tests include blood tests, a specific type of ultrasound and prenatal cell-free DNA screening. Prenatal screening tests can identify whether your baby is more or less likely to have certain birth defects, many of which are genetic disorders. The two main types of prenatal testing are:
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