Topic: Ultrasound FAQ

Question: My wife is 9 weeks pregnant with twins, she has on and off bleeding and spotting for the past 3 weeks. She already had 3 ultrasound scans, all of which showed two fetal heartbeats. we are concerned ( because of the spotting and bleeding ) which leads me to ask two 2 questions:

1 Re: Ultrasound dating fetal age

Ultrasound: Sonogram - American Pregnancy Association An ultrasound exam is a procedure that uses high-frequency sound waves to scan a woman's abdomen creating a picture (sonogram) of the baby and placenta.

2 Re: Ultrasound dating fetal age

Baby Ultrasound: Risks vs. Rewards | Mama Natural What they look for in a 20 week ultrasound. A 20-week ultrasound, or anatomy scan, checks for a number of things. The sonographer will look at and measure baby’s body parts to make sure they look normal and measure the right size.

3 Re: Ultrasound dating fetal age

12 Week NT scan fetal nuchal translucency test dating. What is the 12 week NT scan? The 12 week scan is a routine ultrasound examination carried out at 10 to 14 weeks of gestation. During the examination, the fetus is seen by abdominal ultrasound.

4 Re: Ultrasound dating fetal age

Fetal Heart Rate and Predicting the Sex of Your Baby The most common way to listen to the fetal heartbeat is with a hand-held Doppler device.This listening device uses ultrasound technology, sound waves, to project the sound of your baby's heartbeat through a speaker.

5 Re: Ultrasound dating fetal age

Normal Fetal Ultrasound Survey | Radiology Key Ultrasound exposures that elevate fetal temperature by 4°C above normal for 5 min or more have the potential to induce severe developmental defects

6 Re: Ultrasound dating fetal age

Ultrasound Autism Connection? Ultrasound Autism Connection? Exploring the possibility that unsafe fetal ultrasounds are the source of the worldwide rise in autism.

7 Re: Ultrasound dating fetal age

Echocardiography - Wikipedia A standard echocardiogram is also known as a transthoracic echocardiogram, or cardiac ultrasound. In this case, the echocardiography transducer (or probe) is placed on the chest wall (or thorax) of the subject, and images are taken through the chest wall.This is a noninvasive, highly accurate, and quick assessment of the overall health of the heart.

8 Re: Ultrasound dating fetal age

Ultrasound - Wikipedia Ultrasound is defined by the American National Standards Institute as 'sound at frequencies greater than 20 kHz'. In air at atmospheric pressure ultrasonic waves have wavelengths of 1.9 cm or less.. Perception Humans. The upper frequency limit in humans (approximately 20 kHz) is due to limitations of the middle ear. Auditory sensation can occur if high‐intensity ultrasound is fed directly.

9 Re: Ultrasound dating fetal age

Hello. Author well done!

10 Re: Ultrasound dating fetal age

Ultrasound scans sonogram ultrasonogram Ultrasonography. What is an ultrasound scan? An ultrasound scan involves transmitting high frequency sound waves through the uterus. These bounce off the baby and the returning echoes (sound waves) are translated by a computer into an image on a screen that reveals the baby's position and movements.