Nuchal translucency is the name for the normal fluid space behind the neck of a foetus unborn baby that can be seen on ultrasound scans. A nuchal translucency scan also called first of Dating scan without referral maker screening is carried out during weeks 11—13 of a pregnancy.
Dating scan without referral maker scan uses ultrasound Dating scan without referral maker screen for Down syndrome, or other chromosomal or inherited conditions in the foetus. Other non-chromosomal conditions, such as neural tube defects, abdominal wall defects, limb abnormalities and some congenital heart disease, can also be detected at this stage of the pregnancy.
Screening can determine the likelihood of risk of an abnormality, but does not diagnose the condition. If screening does identify a possible risk, it does not necessarily mean there is an abnormality present, but does mean that further testing is necessary. Women who return a high-risk result from the screening will be offered formal genetic testing using other procedures, such as amniocentesis or chorion villus Dating scan without referral maker CVS.
All women are offered a nuchal translucency test regardless of their age, and 19 out of 20 women have a normal screening result.
Any patient might be referred for a nuchal translucency test
Dating scan without referral maker of their age. Your referring doctor GP or obstetrician will be able to tell you whether you are eligible for a Medicare rebate for the scan. There is very little preparation required. You should have some fluid in the bladder, but not be uncomfortably full.
This Dating scan without referral maker to ensure that the inside of the abdominal area is seen clearly on the ultrasound images.
The radiology facility where you are having the ultrasound will provide you with information about this.
It is a good idea to wear comfortable clothing that gives easy access to your lower abdominal area. The nuchal translucency is measured by carrying out an ultrasound scan from 11 weeks 4 days of foetal age to 13 weeks 6 days. You Dating scan without referral maker be asked to lie on an examination couch.
Dating scan without referral maker is applied to the lower abdomen area, and a transducer a smooth handheld device is moved gently across the Dating scan without referral maker with a sliding and rotation action. The transducer transmits ultrasound waves, which are relayed back to the ultrasound to produce images or pictures onto an ultrasound screen. The ultrasound screening looks at many things, including the size
Dating scan without referral maker the foetus, the heart rate, the general anatomy or structure of the foetus and how many foetuses are present one or more.
At this stage, the foetus is too small to have a very detailed examination of its body structure: The nuchal translucency must be measured accurately, and can sometimes be difficult to obtain using an abdominal ultrasound scan because of the position of the foetus. Sometimes a transvaginal ultrasound might need to be carried out to allow this measurement to be taken.
In a transvaginal a small specially shaped transducer is inserted into the vagina, and because the transducer is closer to the foetus, it can provide clearer images. If a transvaginal ultrasound is required, the procedure will be fully explained and your permission requested.
There are no after effects of an abdominal or transvaginal ultrasound. You will be able to resume normal activities immediately. Sometimes it will be necessary for the specialist to attend the examination to carry out more scans or to look at the images on the screen rather than just the still pictures taken during the scan.
There are no known risks of having an abdominal ultrasound to the foetus or mother. Ultrasound uses sound waves to obtain images and there Dating scan without referral maker no radiation involved.
There is no risk to the foetus or mother, or of miscarriage, if a transvaginal ultrasound is out. The main benefit of screening is to assess the possibility
Dating scan without referral maker Down syndrome or other foetal conditions as early as possible in the pregnancy. You will then have the opportunity to discuss the results with your doctor. If screening does Dating scan without referral maker a possible risk, you might require further definitive tests to confirm the screening results before deciding whether or not to continue with the pregnancy see amniocentesis or chorion villus sampling.
The examination is carried out by sonographers who are specially trained and accredited to carry out the scan. Sonographers may be male or female. If you are not comfortable with a male, you should let the reception staff know this before having the scan.
In these cases where the patient is young or has religious or Dating scan without referral maker concerns, a female chaperone can be requested usually a nurse at the radiology facility where you are having the scan, or a female parent or family member. The sonographer might leave the room to show the images to the radiologist specialist doctor who provides a report to your GP or obstetrician.
The radiologist Dating scan without referral maker also carry out Dating scan without referral maker scanning if something needs to be checked. A full report
Dating scan without referral maker the scan will be written and sent to your doctor. In some radiology facilities, only the doctor or specialist will carry out the scan and will usually inform you of the findings.
The examination is carried out in a radiology department of a hospital, private radiology practice or at a specialist clinic for obstetric and gynaecological imaging. The ultrasound room is usually dimly lit to allow Dating scan without referral maker images on the Dating scan without referral maker screen to be clearly seen.
The time that it takes your doctor to receive a written report on the or procedure you have had
Dating scan without referral maker vary, depending on:. Please feel free to ask the private practice, clinic or hospital where you are having your test or procedure when your doctor is likely to have the written report.
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The content of this publication is not intended as a substitute for medical advice. Some of the tests and procedures included in this publication may not be available at all radiology providers. Each person should rely on their own inquires before making decisions that touch their own interests.
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