Tests such as CVS and amniocentesis carry a small risk of miscarriage. You might choose to have a nuchal translucency scan or you may choose to go straight to one of the more invasive diagnostic tests instead to get a definitive answer. You can have chorionic villus sampling from 11 weeks of pregnancy, or you can have an amniocentesis from 15 weeks of pregnancy.
It's important to be well informed and discuss the different options available to you with your doctor or midwife. You can also call Pregnancy, Birth and Baby on to talk about these tests and what the results could mean for you and your pregnancy.
Learn more here about the development and quality assurance of healthdirect content. InsideRadiology provides free and easily accessible, accurate, up to date and credible information about medical imaging tests and procedures. Read more on InsideRadiology website. Most women will have at least one ultrasound scan during their pregnancy. It usually takes place between 18 weeks and 21 weeks.
A vaginal ultrasound also called an internal, pelvic or transvaginal ultrasound lets a medical professional observe a fetus and check reproductive health. Handy infographic that shows what you can expect at each antenatal appointment during your pregnancy.
Down syndrome is a chromosomal disorder affecting 1 in 1, babies. Screening tests for Down syndrome are routinely offered to pregnant women.
Questions to ask your doctor about the tests and scans you will be offered during your pregnancy. Read more on Better Health Channel website. A dating scan is an ultrasound scan to determine how many weeks pregnant you are and your due date. Learn more about how the procedure is performed. In the second trimester of pregnancy, you may be offered to have an morphology scan anomaly scan. Learn about what it looks for and when it is performed. Pregnancy, Birth and Baby is not responsible for the content and advertising on the external website you are now entering.
Video call. This information is for your general information and use only and is not intended to be used as medical advice and should not be used to diagnose, treat, cure or prevent any medical condition, nor should it be used for therapeutic purposes.
Both the ultrasound and the accompanying blood tests are painless unless you count the needle prick for the blood test and carry no risk to you or your baby. What to Expect follows strict reporting guidelines and uses only credible sources, such as peer-reviewed studies, academic research institutions and highly respected health organizations. Learn how we keep our content accurate and up-to-date by reading our medical review and editorial policy.
The educational health content on What To Expect is reviewed by our medical review board and team of experts to be up-to-date and in line with the latest evidence-based medical information and accepted health guidelines, including the medically reviewed What to Expect books by Heidi Murkoff.
This educational content is not medical or diagnostic advice. Use of this site is subject to our terms of use and privacy policy. Registry Builder New. Nuchal Translucency Screening. Medically Reviewed by Jennifer Wu, M. Medical Review Policy All What to Expect content that addresses health or safety is medically reviewed by a team of vetted health professionals.
Learn more about NT screening, an early, noninvasive option that can screen for chromosomal disorders. Back to Top. In This Article. Continue Reading Below. Read This Next. Amniocentesis Test. View Sources. UpToDate, First trimester cystic hygroma and enlarged nuchal translucency , June Prenatal Diagnosis, First-trimester screening for trisomy 21 combining biochemistry and ultrasound at individually optimal gestational ages , July Pregnancy Groups.
Jump to Your Week of Pregnancy. American College of Obstetricians and Gynecologists. March of Dimes. Down syndrome. Nuchal translucency test. What tests might I need during pregnancy? Should I have a screening test for Down syndrome during pregnancy?
Join now to personalize. The NT scan is an ultrasound done in the first trimester to determine your baby's risk of having Down syndrome and some other chromosomal abnormalities. It's usually done along with a blood test. If the nuchal translucency test indicates that your baby may have a health condition, you can decide whether to have a diagnostic test to find out for certain.
Photo credit: Thinkstock. What is the nuchal translucency test? How is the nuchal translucency test done? How are NT scan results calculated? What do NT scan results mean? How accurate is the nuchal translucency test? What happens if my NT scan indicates a problem?
Sources BabyCenter's editorial team is committed to providing the most helpful and trustworthy pregnancy and parenting information in the world. Featured video. Chorionic villus sampling CVS. NIPT Noninvasive prenatal testing. Quad screen second-trimester prenatal screening.
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