Error: This is required. Error: Not a valid value. A dating scan is an ultrasound scan done in the first trimester of pregnancy. Measurements of your baby are taken dating estimate how long you have been pregnant. Many women ovulate release an egg that may then be fertilised and conceive about 2 weeks after their last period.
So, the baby is due about 40 weeks after the beginning of their last period. If you have a regular day cycle, you can calculate an estimated due date for your baby. Count 40 weeks from the first day of your last menstrual period. If you think you may need a dating scan to help estimate when your baby is due, speak to your doctor or midwife.
Ultrasound scans in pregnancy
A dating scan is usually done between 8 and scans weeks of pregnancy most often before 12 weeks. At this time, most babies of the same gestational age are about the same size. If your doctor or midwife also recommends a nuchal translucency scan, they may try to arrange it between 11 and 13 weeks.
This way you can have both tests at a single ultrasound scan appointment. Not everyone needs a dating scan. You and your doctor and midwife can decide together which tests and ultrasounds you will have during pregnancy.
You will be given information about each test so that you can make informed decisions. Your dating scan is usually dating by a specially-trained technician called a sonographer. Other health staff can also be trained to do it. This could include a doctor or midwife. In early pregnancy, ultrasounds including dating scans online dating fatigue be done through your abdomen tummy or vagina.
Your sonographer will decide based on things like:. If your scan is done through your abdomen, you should not urinate wee before the scan. This makes it easier for the sonographer to see your uterus womb. The sonographer will apply some gel and gently move an ultrasound dating across your tummy. If your scan is done through your vagina, the sonographer will need to gently dating a small, lubricated ultrasound probe. Scans done this way can give clearer pictures because the probe is closer to your uterus.
If a vaginal probe is needed the sonographer will explain what is dating first. Ultrasounds, including dating scans, do not harm you or your baby or increase your risk of miscarriage. No needles or radiation are used. Most babies are not born on their due date. Medicare will cover your dating scan, but there may be out-of-pocket costs depending on where you go for the test. You can bring your partner, or a family member or friend to your ultrasound appointments with you. It can be useful for dating else to listen to the information provided so that you can chat about it afterwards.
More questions to ask your doctor about tests and scans. Use the Question Builder for general tips on what to ask your GP or specialist. Your GP, obstetrician or midwife can answer your questions and give you more information on working out your estimated due date. Ask if they recommend a dating scan for you. Visit Inside Radiology to find out more about ultrasound and imaging scans. Call Pregnancy, Birth and Baby click the following article speak to a maternal child health nurse on scans video call.
Available dating to midnight AET7 days a week. Learn more here about the development and quality assurance of healthdirect content.
Does screening for Down's syndrome happen at the dating scan?
Find out when a vaginal ultrasound may be recommended during your pregnancy, how the test is done and the benefits and risks of this type of scans. Ultrasound scans help monitor scans baby's health throughout your pregnancy. Find out when and why you might have ultrasound scans during pregnancy. Ultrasounds use sound waves to create an image picture of your baby. They are used to look at your developing baby.
How long will a scan take?
Read more on Queensland Health website. An 18—20 week pregnancy screening ultrasound is "scans" of the routine care during pregnancy. Screening is carried out at this stage in the pregnancy because the foetus. Read more on InsideRadiology website. You will be offered a morphology scan at week 18 dating 22 of pregnancy.
Learn what a morphology scan can tell you and how this ultrasound read more is done. InsideRadiology provides free and easily accessible, accurate, up "scans" date and credible information about medical imaging tests and procedures.
Think about the prenatal screening tests you might have, and whether you want a dating scan to confirm your due date. A nuchal translucency scan is an ultrasound scan that helps in work out your risk of having a baby with dating abnormality like Down syndrome. Handy infographic that scans what you can expect and what you might be dating at each antenatal appointment during your scans. A non-invasive prenatal test NIPT is a sensitive test to screen for Down syndrome and some other chromosomal disorders early in pregnancy.
Pregnancy, Birth and Baby is not responsible for the content and advertising on the external website you are now entering. Video call. Healthdirect Australia acknowledges the Traditional Owners of Country throughout Australia and their continuing connection to land, sea and community. We pay our respects to the Traditional Scans and to Elders both past and present.
This information is for your general information and use only and is not intended to be used as medical advice and should not scans used to diagnose, treat, cure or prevent any medical condition, nor should scans be used for therapeutic "scans." The information is not a substitute for independent professional advice and should not be used as an alternative to professional health care.
If you have a particular medical problem, please consult a healthcare professional. For more information, please visit the links below:. You are welcome to continue browsing this site with this browser. Some features, tools or interaction may not work correctly. There is a total of 5 error s on this form, details are below. Please enter your name Please enter your email Your email is invalid. Please check and try again Please enter recipient's email Recipient's email is invalid. Please check and try again Agree to Terms required. Thank you for sharing our content.
A message has been sent to your recipient's email address with a link to the dating webpage. Your name: is required Error: This is dating.
Your email: is required Error: This is required Error: Not a valid value. Send to: is required Error: Dating is required Error: Not a valid value. Key facts A dating scan is one of the ultrasound tests that might be done during pregnancy. During a dating scan, your baby is measured to work out how far along you are in the pregnancy. The scan results are used to work out the estimated due date for your baby. You and your doctor can decide together if you will have a dating scan. Speak to a maternal child health nurse Call Pregnancy, Birth and Baby to speak to a maternal child health nurse on or video call.
Back To Top. Vaginal ultrasound Find out when a vaginal ultrasound may be recommended during your pregnancy, how the test is done and the benefits and risks of this type of test. Call us and speak to a Maternal Child Health Nurse for personal advice and guidance. Need further advice or guidance from our maternal child health nurses?
Support for this browser scans being discontinued for this site Internet Explorer 11 and lower We currently support Microsoft Edge, Chrome, Firefox and Safari. For more information, please visit the links below: Chrome by Google Firefox by Mozilla Microsoft Edge Safari by Apple You are welcome to continue browsing this site with this browser.