Doctor insights on:
Fetal Ultrasound Down Syndrome
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
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
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
HC and AC: H.C. Refers to head circumference and a.C. Refers to abdominal circumference. ...Read more
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
Ac: abdominal circumference at the level of stomach and liver.
Fl: femur diaphysis length. ...Read more
Heart defects: Tetralogy of fallot, a heart defect, can be difficult to diagnose prenatally. The heart is very small in a developing baby, and specific images must be obtained to make that diagnosis. If the baby is in a bad position, or the mother is obese, or the doctor doesn't have a lot of experience diagnosing heart defects in a fetus, tof can be missed. ...Read more
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
Some say that 12wk fetal ultrasound measurements can be off by 2wks, but some say only +\-5 days. Which is it?
Fetal Ultrasound Err: The usual figure cited is +|- two weeks for us performed after 12 weeks: http://www. Newbirthcompany. Com/estimated-due-dates/. There are better measurements (such as fetal crown-rump length) that are more accurate as the weeks go by. Don't worry - your obstetrician will be able to "nail down" a more accurate due date in the weeks ahead! ...Read more
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
Depends: You date the fetus and if the head size is more than 2 standard deviations above what it should be it is large. ...Read more
Does my profile pic which represents my fetal ultrasound at 12weeks reveals the gender of the baby?
Poor resolution: Your profile picture is too small to tell anything. The earliest that you can reliably tell the gender is about 18 weeks. You cannot tell the gender at 12 weeks gestation. ...Read more
Not much: If that is the only abnormality not much, ventricles can be slightly different in size and be normal. ...Read more
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
MD reads - may scan.: The physician (maternal-fetal medicine specialist or radiologist) will read all the studies that the sonographers capture and may scan personally as needed. ...Read more
Can someone help me read my fetal ultrasound bill? There were two fees, but no doctor did the exam.
Correct: Technologist does study. Doctor reads study. You get billed for reading and technical fee separately. ...Read more
When you look at a fetal ultrasound it has two dates on it one is the ga (gestational age) an the other ma is what? Would really like to know thanks
Some say that fetal ultrasound measurements @ 12 weeks can be off by 2weeks. Some say a few days (+\-5 days). Which is it? Do radiologists know best?
22 wk fetal ultrasound completely normal. The doc remarked a tiny thickening of bladder wall. Fluid fine, kidneys and bladder normal. Should I worry?
No Worries: This is an incidental finding, doesn't really mean anything. If your doctor is concerned about it he will follow it with serial ultrasounds. You have enough to worry about being pregnant having diabetes and dealing with life's ever changing challenges. Congratulations on your upcoming child! ...Read more
Follow up with FMF: Fetal maternal medicine consultant should be your next appointment. ...Read more
Gestational age?: Depends what gestational age/trimester you had study done, serial measurements will establish a pattern and let you know what is the next step, one measurement is not a diagnosis, especially if this first trimester. Should compare HC to weight and crown-rump length to get full picture on growth ...Read more
Very skilled US: 1st trimester: nuchal translucency wider than normal. Non-Visualization of the nasal bone is sufficient to warrant diagnostic testing. 2nd trimester: most important are cystic hygroma or increased nuchal thickness; dilated ventricles of the brain, absent or small nasal bone, anomalous right subclavian artery. Heart defects, particularly conotruncal, short femur or humerus, duodenal atresia ...Read more
Screening vs confirm: By definition a screening test is done to more individuals to select the group at higher risk for a problem that justifies a greater cost definitive test. All screening tests can be falsely negative or positive. The definitive tests for DS require chromosome analysis. This can be done in limited centers by finding fetal cells in mothers blood, or by CVS or amniocentesis. ...Read more
What can I do if my doctor didn't find any Down syndrome markers in the ultrasound. Am I out of the woods?
Not necessarily: The definitive test for down or other chromosomal defects is a chromosome study on fetal cells obtained through cvs or amniocentesis. These are specific and dependable. Ultrasounds and blood tests are screening tools. They are helpful in picking out some who might need the definitive tests. At 39 you have about 1% risk for ds but another 4% risk of some other issue (premi, clefts etc.). ...Read more
What do you suggest if my doctor didn't find any Down syndrome markers in the ultrasound. Am I out of the woods?
Maybe: When looking for DS there are a variety of tests used for screening. An ultrasound looks for features that are commonly found in DS, but are not 100% accurate. Tests that look at the babies chromosome pattern by obtaining fetal cells are the most accurate. When someone is in the low risk category, a negative US is probably adequate. If in a higher risk, a more specific test is advised. ...Read more
Fetal ultrasounds in: The 1st & 2nd trimesters can show anatomical signs frequently seen in fetuses with Down Syndrome or other genetic accidents that result in 3 copies of a specific chromosome. Knowing your risk of DS, calculated by FUS findings, gestational & maternal age, 1st & 2nd trimester maternal blood screens, & a higher-resolution FUS, helps you decide if you want chromosomal testing for a definitive answer. ...Read more
My doctor didn't find any Down syndrome markers in the ultrasound. Does that guarantee my baby won't have down syndrome?
No. OB's combine the: Results of an integrated screening test that includes specific blood tests in both the first & 2nd trimesters + the first trimester ultrasound to determine a single Down Syndrome risk rating. Only prenatal diagnostic tests of fetal genetic material for either Karyotype to determine # of chromosomes or Chromosomal Microarray to determine mutations in smaller gene sequences are definitive. ...Read more
I want to known any screening exam to rule out Down syndrome? When is the best to check it? Or only 4D ultrasound can help?
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
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