This site has been created to provide you with information about the types of examination available and how to gain access to them. It is important that you know that the people you are trusting with your health are properly qualified and competent to do the job — please be assured that the staff working for Diagnostic Healthcare are amongst the best and you will be in very safe hands. From the moment you first contact us right through to us issuing the report of our findings, our aim is to provide you with a caring, efficient and professional service. In this busy world, it can be difficult to fit scan appointments into your schedule so we offer a variety of days and times for the appointment, always seeking to help you and your doctor get the diagnosis of your condition as quickly and professionally as we can. This site has been created to provide you with an overview of the private ultrasound services we provide and how we can help you. We aim to give you information about the types of examination available if ultrasound is the right kind of imaging for you and of course how to book a private ultrasound appointment with us.
Dating Scans how accurate?
ORV | How accurate are dating ultrasound scans
You may like to take a look at charts for crown-rump length , biparietal diameter , femur length , abdominal circumference , gestational sac diameter , yolk sac diameter and intrauterine fetal weight. If you have problems understanding and calculating your due date, check out and download a copy of the Ob calculator by York Winston. Hutchon's site and the Gestation Network also provide pregnancy calculators. A large number of mails I received are about fetal anomalies, I have therefore tried to put together a Catalogue of Web pages which describe in some detail specific congenital anomalies that are diagnosable by ultrasound. You can visit the page here. I am pregnant for 7 weeks.
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Doppler Ultrasound The doppler shift principle has been used for a long time in fetal heart rate detectors. Further developments in doppler ultrasound technology in recent years have enabled a great expansion in its application in Obstetrics, particularly in the area of assessing and monitoring the well-being of the fetus, its progression in the face of intrauterine growth restriction, and the diagnosis of cardiac malformations. Doppler ultrasound is presently most widely employed in the detection of fetal cardiac pulsations and pulsations in the various fetal blood vessels. The "Doptone" fetal pulse detector is a commonly used handheld device to detect fetal heartbeat using the same doppler principle. Blood flow characteristics in the fetal blood vessels can be assessed with Doppler 'flow velocity waveforms'.
Each of the pictured bottles has a relatively short description and explanation including estimated dates or date ranges for that type bottle and links to other view pictures of the bottle. Additional links to images of similar bottles are also frequently included. The array of references used to support the conclusions and estimates found here - including the listed dating ranges - are noted.