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Ultrasound week 15-40

At Oslo Midwife and Ultrasound Clinic we offer different types of ultrasound examinations throughout the pregnancy. We want your visit at our clinic to be a personalised and a pleasant experience. We allow ample time for the actual examination.

Read more about the different weeks under.

 

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2D ultrasound week 15-20

During this examination, we will look at all the organs of the fetus. We look at the head, brain, spine, neck, heart, stomach, kidneys, bladder, arms and legs and assess the amount of amniotic fluid. We measure the head, waist and femur and calculate an approximate due date. In addition, the placement of the placenta will be assessed, whether it is on the front or back wall.

We can also look at gender if the parents wish.

If the child is lying with the nose up and there is amniotic fluid in front of the face, we take nice 2D pictures. If the child is in a difficult position, the patient must get up and move. The fetus will probably turn and nice pictures can be taken.

 

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2D ultrasound week 18-25:

Extended heart examination/ echocardiography

Echocardiography is an extended ultrasound examination of the fetal heart, recommended to be performed between pregnancy weeks 18-25.

The ultrasound examination provides information about the structure and function of the heart. This includes the position, size, mobility of heart valves, and the walls of the heart chambers in the fetal heart. It also reveals the speed of blood flow through different parts of the heart and blood vessels.

This ultrasound examination can uncover congenital heart defects in the fetus.

The examination is conducted by our ultrasound midwives specializing in fetal heart assessment.

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2D ultrasound week 17-21: routine ultrasound

The public health system offers all pregnant women an ultrasound examination during pregnancy, also called a routine ultrasound.

During this examination, the age of the fetus will be calculated and the due date determined. In addition, the position of the placenta will be assessed and a review of the anatomy of the fetus will be performed.

We look at the head, brain, spine, neck, heart, stomach, kidneys, bladder, arms and legs and assess the amount of amniotic fluid.

We can also look at the gender if the parents wish.

The examination is usually offered by the hospital where you will give birth, but can also be done with us.

 

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2D ultrasound week 20-25

During this examination, we will look at all the organs of the fetus. We look at the head, brain, spine, neck, heart, stomach, kidneys, bladder, arms and legs and assess the amount of amniotic fluid. We measure the head, waist and femur and calculate the child's weight. If the child is lying with the nose up and there is amniotic fluid in front of the face, we take nice 2D pictures. If the child is in a difficult position, the patient must get up and move. The fetus will probably turn and nice pictures can be taken.

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Doppler ultrasound:

Growth monitoring with extended blood flow measurement 

Commencing from the 24th week of pregnancy, fetal growth monitoring is implemented to assess the adequacy of fetal weight relative to its age, as determined by the due date.

Read more

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2D ultrasound week 26-31

During this examination, we will look at all the organs of the fetus. We look at the head, brain, spine, neck, heart, stomach, kidneys, bladder, arms and legs and assess the amount of amniotic fluid. We measure the head, waist and femur and calculate the child's weight. If the child is lying with the nose up and there is amniotic fluid in front of the face, we take nice 2D pictures. If the child is in a difficult position, the patient must get up and move. The fetus will probably turn and nice pictures can be taken.

 

 

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3/4D ultrasound week 26-31

A 3D image is a still image and 4D shows moving images/video. With this type of ultrasound, we can create wonderful lifelike images of how your child looks, how it moves and makes facial expressions.

We have one of the very best ultrasound devices on the market to produce good 3D/4D images. The device has an HD live function with an extraordinary reproduction method.

When the child is in the correct position, this examination is an experience for both mother, father and midwife.

Read more about 3/4D ultrasound here.

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2D ultrasound week 32-40

This examination is done in 2D. The examination is primarily a growth and well-being check, that is, we see how the child lies in the womb (breech or head position), look over the anatomy, make a growth assessment (where we measure the head, waist and femur).

We also measure the amount of amniotic fluid and measure blood flow in the artery in the umbilical cord to obtain information about the circulation in the placenta.

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We send the pictures/videos to your phone

All ultrasound examinations include photos and films sent directly to your mobile phone(s). (Unfortunately, the files do not come with audio)

 

It’s nice if you bring a companion with you. The experience can be somewhat diminished if there are too many people present. This has to do with both space and potential noise issues. Our experience is that children under the age of 5–6 don’t have the proper understanding or appreciation of the ultrasound examination.

 

FAQ

What is ultrasound?

2D (two-dimensional) ultrasound is sound waves that are transmitted from a probe into the body. The sound waves have such a high frequency that they’re inaudible to the human ear.

When the sound waves hit the body tissue, an echo occurs. The echo causes the sound waves to return to the sound head, which captures these sound signals.
After processing on a computer, the incoming audio signals appear as vivid images in black and white on a screen.

 

Is ultrasound dangerous?

Ultrasounds of pregnant women have been performed for more than 40 years. No adverse effects on women or foetuses have been recorded.

What happens if a missed abortion (MA) is detected at an early ultrasound?

Sometimes it happens that we do not see cardiac activity. This is usually due to a chromosomal abnormality.

We measure the embryo and refer the woman to the hospital she belongs to. Normally she will get an appointment in a few days. There, a gynaecologist will confirm the finding and a surgical or medical abortion will be performed.

The next day we send her a message to check in on her.

In case of suspicion of illness or abnormalities, what happens next?

The midwives who perform ultrasound have completed one year of foetal diagnosis at the National Centre for Emergency Medicine at NTNU. If we see pictures that deviate from the normal we will refer the woman to a maternal-foetal medicine specialist at the National Hospital. She’ll then get an appointment within a few days.

When is ultrasound done internally (vaginal), and on the stomach (abdominal)?

We perform ultrasound vaginally early in the pregnancy, that is, from weeks 6–12. This is because the embryo is so small and the pictures become much clearer on an internal ultrasound.

The woman must lie with her legs in the leg holder with a towel over her. Most people have no problems with this.

Occasionally we also do an internal ultrasound in week 12. This is if the woman has a uterus that is turned slightly backwards or if she’s overweight.
In the case of a 3D ultrasound, the examination is done abdominally.