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Doctor insights on: Fetal Ultrasound Prenatal Testing

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When you subtract 2 weeks from the ga provided by an ultrasound, does that give you the estimated fertilisation age or the estimated fetal age?

When you subtract 2 weeks from the ga provided by an ultrasound, does that give you the estimated fertilisation age or the estimated fetal age?

Yes: When estimating gestational age by using an ultrasound scan, 2 weeks are added to the fetal age (the fetal age is the fertilisation age). ...Read more

Dr. Michael Gabor
2,193 doctors shared insights

Sonogram (Definition)

An ultraound, also known as a sonogram, is a painless and relatively inexpensive imaging test that utilizes sound waves instead of ionizing radiation. There are no side effects. Ultrasound can give us two-dimensional, and in some applications three-dimensional, images of structures and organs in virtually any part of the body. In addition to diagnostic uses, such as evaluating abnormalities in the abdomen, pelvis, and breast, ultrasounds are commonly used to guide needle and catheter placement in a variety of surgical ...Read more


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Who does the reading from a diagnostic fetal ultrasound?

Who does the reading from a diagnostic fetal ultrasound?

Radiologist or MFM.: Only select radiology and maternal-fetal medicine specialists are trained and qualified to interpret prenatal ultrasound studies. ...Read more

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What could a small head on fetal ultrasound be a sign of?

What could a small head on fetal ultrasound be a sign of?

Wrong dates!: The most common reason for suspected fetal microcephaly is erroneous due date assignment. If microcephaly is real, it could be part of several fetal syndromes with poor neurodevopmental outcome, such as aneuploidies (down), perinatal infections (toxoplasmosis, rubella, cmv), or metabolic disorders. ...Read more

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What kinds of disorders are associated with enlarged kidneys on a fetal ultrasound?

What kinds of disorders are associated with enlarged kidneys on a fetal ultrasound?

Several.: Trisomy 18/13, polycystic renal disease, multicystic dysplastic kidney disease, renal tumors (mesoblastic nephroma) are all possibilities. Expert mfm advice and serial sonography are required. ...Read more

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What is the definition or description of: fetal ultrasound?

What is the definition or description of: fetal ultrasound?

Safe fetal imaging.: Fetal ultrasound is an amazing and safe imaging method employing the piezoelectric properties of quartz crystals to convert electrical current to mechanical vibrations; this creates ultra-high frequency sound waves that can penetrate inside the pregnant woman's body and bounce off different structures with variable characteristics. A computer then processes the feedback signal to image the fetus! ...Read more

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What is 3d fetal ultrasound?

What is 3d fetal ultrasound?

New computer softwar: New computer software allows for the individual planes acquired during regular prenatal ultrasound scanning to be collated, manipulated and illustrated in a three-dimensional fashion for the uninitiated couples to be able to effortlessly visualize their unborn baby. It provides few/no significant advantage over traditional 2d prenatal ultrasound for the experienced physician/sonographer. ...Read more

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What all can fetal ultrasound at 20 weeks tell you?

What all can fetal ultrasound at 20 weeks tell you?

A lot of details.: Fetal gender, anatomy in detail (including brain, heart, spine, kidneys, extremities), amniotic fluid volume, due date estimation within 10 days of actual date, cervical and uterine anomaly detection, placental location and pathology. It is a very cost-effective test for any pregnancy and should be universally performed. ...Read more

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What do h.C and a.C. Mean in a fetal ultrasound report?

What do h.C and a.C. Mean in a fetal ultrasound report?

HC and AC: H.C. Refers to head circumference and a.C. Refers to abdominal circumference. ...Read more

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Why do they measure the MCA in maternal fetal ultrasound?

Why do they measure the MCA in maternal fetal ultrasound?

Problem with baby: Blood flow in the mca (middle cerebral artery) may be abnormal if a baby is not getting enough oxygen, either because it has anemia so that it's blood cannot carry enough oxygen, or because it is not getting enough oxygen from the placenta. If your baby is not growing well, or if you have an infection or problem that might be causing anemia, your doctor may look at the baby's mca with ultrasound. ...Read more

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What does AC stand for in a fetal ultrasound report? What about fl?

What does AC stand for in a fetal ultrasound report? What about fl?

Fetal biometry.: Ac: abdominal circumference at the level of stomach and liver. Fl: femur diaphysis length. ...Read more

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Dr. Nikolaos Zacharias
240 doctors shared insights

Fetal Ultrasound (Definition)

Fetal ultrasound is an amazing and safe imaging method employing the piezoelectric properties of quartz crystals to convert electrical current to mechanical vibrations; this creates ultra-high frequency sound waves that can penetrate inside the pregnant woman's body and bounce off different structures with variable characteristics. A computer then processes the feedback signal ...Read more


Dr. Richard Roberts
53 doctors shared insights

Prenatal Screening (Definition)

Prenatal screening is the group of procedures used in pregnancy to look for diseases and genetic mutations in the fetus (baby inside Mom). Screening is usually done as early as practical in the pregnancy. Methods include testing the pregnant woman's blood, scanning the fetus with ultrasound, sampling the amniotic fluid ...Read more