fetal renal pyelectasis

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Can fetal pyelectasis be fatal?

No.

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Fetal pyelectasis refers to borderline prominence of the renal collecting system and is defined as >4 mm by 20 weeks; >7 mm between 20-30 weeks and >8 mm after 30 weeks. It is seen in 3% of all pregnancies associated with polyhydramnios and diabetes mellitus. It is a very weak marker of increased risk for fetal Down syndrome but never causes mortal risk. Neonatal follow-up is required!
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Fetal ultrasound showed enlarged renal pelvis and large head. So could it be a syndrome?

May or may not.

Head
Enlarged renal pelvises are common urinary tract anomalies. A large head can be familial. So not likely. But then there is much ultrasound can't diagnose. Just have to wait and see.
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Dr. Alan Patterson answered:

My fetus has pyelectasis. Could she also have ds?

Ask your OB

Women
I assume they have done the proper testing , most babies that have pyelectasis which is not totally uncommon do not have DS but if u are worried please discuss with your OBGYN
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Dr. Jan Lei Iwata answered:

For my fetus, all my USG were normal till 30 weeks. Now at 32 weeks it shows that fetus has pyelectasis at 8.2 mm.Can pyelectasis develop so suddenly?

Fetal growth is fast

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The fetus is constantly growing rapidly and logarithmically to become the little baby you get to see at the end of 9 months from being a single celled embryo. By 3 weeks many of the eyes, ears, and such are already developed. So, the rest is occurring at rapid pace. It's amazing how automatically the human fetus is programmed to develop perfectly as time moves on. There are even neonatal surgeons!
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Is renal scan safe?

Safety...

Renal_cell_cancer
A renal scan is relatively safe. It does subject you to a small amount of radiation but the benefits of performing the scan should outweigh the risks.
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Who does fetal echo?

Perinatologists,

Obstetrics
radiologists and obstetricians who specialize in maternal/fetal ultrasound. They perform complete ultrasonic evaluation of fetus, including estimated size & weight, heart, brain, kidneys, genitalia, bladder, lungs etc.
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how safe is fetal mri?

Safe

Mri
There are no known biologic risks from MRI. No delayed sequelae from MR examination have been encountered; it is expected that the potential risk for any delayed sequelae is extremely small or nonexistent. MRI is not believed to be hazardous to the fetus. Generally, MRI is avoided during the first trimester when feasible. Gadolinium (MR contrast) is not recommended for use during pregnancy.
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Dr. Ed Friedlander answered:

what is renal reserve?

Physiology

Renal_function_lab_test
This is one more way to see how good a person's kidney function is, to decide for example whether they can be a donor. A person may be given a radioisotope and their ability to clear it measured before and after they take a protein meal. It's a test of the ability of the kidney to increase its filtration rate (as when stimulated by a protein load.) Ask a nephrologist how useful it is.
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What is fetal distress?

Low fetal health

Fetal_distress
A decrease in fetal well-being can happen for several reasons. Fetal distress can occur during the pregnancy or during labor. The warining signs are a decrease in the usual daily level of movement, greenish material present in a sample of the amniotic fluid, a decrease in the heart beats on routine check or during a labor contraction.
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What is renal glycosuria?

Sugar in urine

Present in diabetes mellitus or some kidney conditions where sugar leaks through the kidneys. Blood sugar should be checked if glycosuria is found
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