Obstetric Ultrasound

Nuchal translucency is a measurement of fluid behind the baby’s neck that is present in all babies during the first trimester of pregnancy. Our staff are specially trained and audited through the Fetal Medicine Foundation to undertake this examination using very specific guidelines. Fortunately, these defects are rare. Growth scans allow us track how your baby is growing. Specialised scans can evaluate your risk of having a baby that is small. There are several reasons why you may be referred for a tertiary level scan. You may have had an examination at another centre and the report suggest tertiary referral. Having a sneak preview of baby is a magical moment. This is a specialised procedure and can only be performed in the optimal conditions.

Methods for Estimating the Due Date

Back to Your pregnancy and baby guide. All pregnant women in England are offered an ultrasound scan at around 8 to 14 weeks of pregnancy. This is called the dating scan. It’s used to see how far along in your pregnancy you are and check your baby’s development. Your midwife or doctor will book you a dating scan appointment.

To date the pregnancy accurately. This is particularly relevant for women who cannot recall the date of their last period, have an irregular menstrual cycle, or who.

A first trimester early pregnancy and dating ultrasound is an examination you have during the first 13 weeks of pregnancy. Due to the size of the developing structures and embryo, it is uncommon to perform an ultrasound before 5 weeks gestation 5 weeks after the start of your last menstrual period. Ultrasound is not consistently able to confirm viability and fetal heart activity prior to 6 weeks gestation, so unless there is an urgent need to have an early pregnancy and dating scan earlier most of these ultrasounds are performed after 6 weeks and ideally at 8 weeks for dating purposes.

Urgent cases may still be performed earlier, please discuss this with your referring doctor. Your ultrasound may be performed transabdominally or transvaginally. Transvaginal ultrasound involves placing a thin transducer slightly thicker than a tampon into the vagina. The transvaginal ultrasound can offer extra detail to the examination as it allows the ultrasound probe to come into close proximity to the uterus womb.

A transvaginal scan is optional for all patients and it is your decision whether to proceed with that part of the examination. Ultrasound, both transabdominal and transvaginal, is considered to be safe during the first trimester of pregnancy. Your examination will be performed by a sonographer. Upon being taken into the examination room the sonographer will introduce themselves, confirm your identity and examination. A clear gel is applied to the skin over the area to be examined.

Your pregnancy – What to expect

An ultrasound scan that helps the NHS confirm how many weeks pregnant you are, checks how your baby is developing – and gives you an amazing black and white photo to take home By Rachel Mostyn. They will also check that anatomically everything is where should be. Then you get your amazing pictures and you can tell the world!

Ultrasound and Obstetrics go hand in hand to take care of your baby. and your baby throughout your pregnancy, from the first trimester dating scan right through to For further information or to ask a question, please feel free to contact us.

Obstetric ultrasonography , or prenatal ultrasound , is the use of medical ultrasonography in pregnancy , in which sound waves are used to create real-time visual images of the developing embryo or fetus in the uterus womb. The procedure is a standard part of prenatal care in many countries, as it can provide a variety of information about the health of the mother, the timing and progress of the pregnancy, and the health and development of the embryo or fetus.

The International Society of Ultrasound in Obstetrics and Gynecology ISUOG recommends that pregnant women have routine obstetric ultrasounds between 18 weeks’ and 22 weeks’ gestational age the anatomy scan in order to confirm pregnancy dating, to measure the fetus so that growth abnormalities can be recognized quickly later in pregnancy, and to assess for congenital malformations and multiple pregnancies twins, etc.

Performing an ultrasound at this early stage of pregnancy can more accurately confirm the timing of the pregnancy, and can also assess for multiple fetuses and major congenital abnormalities at an earlier stage. There is no difference, however, in perinatal death or poor outcomes for infants. Below are useful terms on ultrasound: [4]. In normal state, each body tissue type, such as liver, spleen or kidney, has a unique echogenicity.

Fortunately, gestational sac, yolk sac and embryo are surrounded by hyperechoic brighter body tissues. Traditional obstetric sonograms are done by placing a transducer on the abdomen of the pregnant woman. One variant, transvaginal sonography, is done with a probe placed in the woman’s vagina. Transvaginal scans usually provide clearer pictures during early pregnancy and in obese women.

12 week pregnancy dating scan: here’s what to expect

Ultrasound has become a routine part of ante-natal care for pregnant women and is a safe way of assessing your baby at different stages of pregnancy. We offer and a range of obstetric services including: Dating scans, Nuchal Translucency, week morphology, Third Trimester Scans and inpatient maternity services if required. Together with our highly skilled sonographers and Radiologists, we endeavour to provide you and your doctor with the most comprehensive scan possible.

We will also provide you with the best possible first images of your baby.

Baby Connections is a private obstetric ultrasoun scanning centre at St Joseph’s Early Pregnancy Support Package ( Weeks); Dating scan (12 weeks+).

If you have a new continuous cough , a high temperature , or a loss or change to your sense of taste or smell , do not come to our hospitals. Follow the national advice. Patients and visitors must wear a face covering in our hospitals. This site is best viewed with a modern browser. You appear to be using an old version of Internet Explorer. This early ultrasound scan provides important information about the number of babies present and the expected date of delivery. Pregnancy and the fetal heart can be seen from six weeks gestation by vaginal scan, and from eight to nine weeks by abdominal scan.

Accurate measurements and images are taken of the gestational sac and the ‘crown to rump’ length of the embryo, to accurately date the pregnancy. Please see ‘Screening’ for further information. Careful and accurate measurements of the baby are taken to monitor the baby’s wellbeing. At this scan your umbilical artery dopplers will be measured; these measurements help us to detect those babies who may be at higher risk of not growing as we expect. Based on these measurements you will be placed onto one of three pathways: no additional scans apart from a routine 36 week scan or additional scans at various points in your pregnancy.

We will tell you which pathway you are on and what this means for your pregnancy.

NHS and private ultrasound scans during pregnancy

Using advanced imaging ultrasound systems, Synergy Radiology provides high image quality for medical diagnosis in obstetrics. Our sonographers and specialist radiologists highly trained and experienced in all facets of obstetric imaging. It is important to bring all previous results relating to the region being imaged. Please be on time for your appointment to ensure there is sufficient time available to perform the procedure.

To ensure clear images, you will be asked to attend with a full bladder. This is achieved by emptying your bladder 2 hours before your appointment and then immediately drinking ml of water.

The main purpose of an early obstetric/dating scan ultrasound’s is to determine the viability of your pregnancy, to confirm how many What to Tell us? Most dating scans are done with a trans-abdominal transducer and require a full bladder.

Log in Sign up. Home Pregnancy Health Antenatal scans. In this article When will I have my dating scan? How accurate are dating scans? What else will the dating scan reveal? What happens at a dating scan? How big will my baby be at the dating scan?

Obstetric (Pregnancy)

Ultrasound scans use sound waves to create a picture of the baby in the womb. Most women have one or more ultrasound scans during pregnancy. The two scans routinely offered during pregnancy are the nuchal scan and the anatomy scan.

Dating / Viability (early pregnancy scans to estimate the age of the pregnancy and to check for baby’s heart beat); Nuchal Translucency Scan.

This scan is carried out from 11 weeks to 13 weeks and six days. The scan is usually performed transabdominally but in a few cases it may be necessary to do the examination transvaginally. If you want to visit your own FMF page please click here. Aims of the nuchal scan To date the pregnancy accurately. This is particularly relevant for women who cannot recall the date of their last period, have an irregular menstrual cycle, or who have conceived whilst breastfeeding or soon after stopping the pill.

We measure the size of the fetus and from this we calculate the expected date of delivery. To diagnose multiple pregnancy. Ultrasound scanning can determine if both babies are developing normally and if the babies share the same placenta which can lead to problems in the pregnancy.

Ultrasound in pregnancy

The common first step will be a dating scan between weeks as we like to check your baby before 10 weeks. Before 7 weeks it may be too early to acquire this information. To obtain the best images possible, this scan is routinely performed internally and perfectly safe to perform during early pregnancy. At 7 weeks gestation a pregnancy sac should be seen within the uterus. Within this sac will be an embryo, heart motion and yolk sac should be visible. Approaching 8 weeks, early brain formation is identified with a black space in the head called the rhombencephalon.

Obstetric ultrasound uses high-frequency sound waves to produce images of a Learn about anatomy, dating, biophysical profile, nuchal translucency scans, what to This policy allows us to support our employees by creating a comfortable.

This scan will be your first glimpse at your developing baby and we can accurately give you your due date of your baby. Measurements are taken such that the dates of the pregnancy can be confirmed or determined. Other information obtained includes whether the pregnancy is in the uterus or outside the uterus an ectopic pregnancy , how many embryos there are, and whether there are any complications surrounding the pregnancy at this early stage.

The ovaries and kidneys are also examined. When you arrive for your scan you will be asked to fill out a form about when your last menstrual cycle took place if known and some other details relevant to the scan. You will be asked to lie on the table and to expose your tummy and a towel will be tucked into your pants to limit spread of the gel onto your clothes. The gel that we use is water-soluble so it does not stain your clothes. It can just be a bit sticky!

Clear gel is applied to your tummy and the sonographer moves the probe over your tummy recording images. Usually a vaginal scan is also performed.

Ultrasound scans during pregnancy

Log in Sign up. Community groups. Home Pregnancy Health Antenatal scans. In this article When will I have my dating scan? How accurate are dating scans?

Whatever the reason, an early dating scan can give you peace of mind that all aspects of the scan is given to you and can be added to your obstetric records.

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All pregnant women in Ireland are offered a dating scan. Ideally this should be performed before 15 weeks. You will need a full bladder. In early pregnancy your womb can be quite small and lies quite low in the pelvis.

Basic Obstetric Ultrasound — Introduction