Learn more about how and when it is performed. During your pregnancy, you will be offered a number of tests and scans. The aim is always to check on the health of you and your baby, but it can sometimes be overwhelming and confusing. Handy infographic that shows what you can expect at each antenatal appointment during your pregnancy. In the meantime, we will continue to update and add content to Pregnancy, Birth and Baby to meet your information needs.
First Trimester / Dating Ultrasound | Advanced Women's Imaging
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. 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. Access trusted, quality health information and advice Visit healthdirect.
What is the purpose of the dating scan?
Access quality information from pregnancy planning through to early parenthood Visit Pregnancy, Birth and Baby. Access information to help you navigate the aged care system Visit My Aged Care.
A great place to start for support and services Visit Carer Gateway. General health Pregnancy and parenting Aged care Caring for someone. Dating scans are used to confirm how many weeks pregnant you are and your expected due date.
Why would I have a dating scan? How is a dating scan performed?
What preparation do I need to do for a dating scan? Check with your ultrasound clinic for any preparation you need to do prior to the scan. The scan will take 5—10 minutes to perform. What will I learn from a dating scan? At a dating scan you will also be able to: Australian Government Department of Health Guidelines for the use of ultrasound in the management of obstetric conditions.
How is a dating scan performed?
Opens in a new window. BabyCenter Australia Dating scans.
BabyCenter Australia Pregnancy ultrasound scans: Was this article helpful? Find out about early ultrasounds at weeks, sometimes called dating scans. Pregnancy tests information video myVMC. An ultrasound usually can be done in your practitioner's office or your local hospital. You will be asked to lie on your back while a technician rubs a warm gel on your belly.glycifidpari.cf
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The gel allows the transducer a handheld device that looks like a microphone to slide more easily over your belly and improves the transmission of sound waves into your body. The sound waves bounce off various surfaces within your body -- including your baby -- as vibrations. The echoes are translated into electrical signals that are projected as pictures onto a monitor for viewing. An abdominal ultrasound poses no risk to you or your baby. In fact, there are many benefits to checking on your baby's development during pregnancy. If you need an ultrasound early in pregnancy, it may be necessary to use a vaginal probe a transducer placed in the vagina.
This allows the technologist to view your uterus through the cervix. This method may also be used later in pregnancy to locate your placenta if it's over the cervix or to measure the length of the cervix.
7 Week Ultrasound
Vaginal probes may cause a sensation of pressure but shouldn't adversely affect your pregnancy. Your ultrasound in the 1st trimester can show your baby's heart rate, umbilical cord, and size, as well as the placenta. It will also tell you if you have one, two, or three babies. An ultrasound in the 2nd trimester around 18 weeks can show details of the fetal head, face, spine, heart, abdomen, and limbs, in addition to the placenta.
The examiner is looking for physical characteristics that might indicate any abnormality. Ultrasounds can't detect all birth defects , and a normal ultrasound doesn't guarantee a healthy baby.