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Doctor insights on: Persistence Fetal Hemoglobin

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Emily Lu Dr. Lu
1 doctor agreed:
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How common is the inherited persistence of fetal hemoglobin?

Emily Lu Dr. Lu
1 doctor agreed:
How common is  the inherited persistence of fetal hemoglobin?

Difficult to measure: This is difficult to measure because in most people with inherited persistence of fetal hemoglobin are entirely asymptomatic. However, population studies have shown that about 10% of the population has been seen to have some persistence of fetal hemoglobin but in varying levels (from 0.8% of cells containing the fetal hemoglobin up to about 10% fetal hemoglobin levels). ...Read more

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Dr. Vijay Sankaran
114 doctors shared insights

Fetal Hemoglobin (Definition)

Is the main hemoglobin that transport oxygen in the fetus during the last seven months of development in the uterus and in the newborn until roughly 6 months old. , fetal hemoglobin is able to bind oxygen with greater affinity than the adult hemoglobin, giving the developing fetus better access to oxygen ...Read more


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What is the definition or description of: fetal hemoglobin?

What is the definition or description of: fetal hemoglobin?

Hb F: Is the main hemoglobin that transport oxygen in the fetus during the last seven months of development in the uterus and in the newborn until roughly 6 months old. , fetal hemoglobin is able to bind oxygen with greater affinity than the adult hemoglobin, giving the developing fetus better access to oxygen from the mother's bloodstream. ...Read more

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How to find how much larger kc is for fetal hemoglobin than adult hemoglobin?

Unclear question: Fetal and adult hemoglobin are about the same size. Fetal Hb binds oxygen more tightly. ...Read more

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What are the risks for the patient in undergoing a fetal hemoglobin test?

What are the risks for the patient in undergoing a fetal hemoglobin test?

Blood test: This is just a blood test. The risks are the same for any blood testing, such as bruising and the needle site. ...Read more

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I have elevated levels of fetal hemoglobin. What can cause this? I am not pregnant. Does it point to a disorder?

I have elevated levels of fetal hemoglobin. What can cause this? I am not pregnant. Does it point to a disorder?

Not necessarily: Elevated fetal hemoglobin may represent what is known as persistence of fetal hemoglobin. It would be helpful to know what the percentages of various hemoglobins are in your electrophoresis, This may be normal for YOU or it could represent a topic which needs investigation. Please speak to your doctor. Good luck! ...Read more

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Some adults with sickle cell anemia have high levels of fetal hemoglobin. Any reason for this?

Some adults with sickle cell anemia have high levels of fetal hemoglobin. Any reason for this?

Epigenetics and drug: We know that sickle cell patients that have increased Hemoglobin F typically have less sickle cell complications. This is the basis for using Hydroxyurea in sickle cell patients. Some individuals have elevated Hemoglobin F levels due to differences in the genetic region of the beta and gamma globin genes that prevent the normal shutting-off of the gamma globin gene. This leads to increased HGB f. ...Read more

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37 year old woman 29 week of pregnant ,high grade fever last 1 week,plecenta slightly displace abnormal fetal movement hemoglobin level low lDh level?

37 year old woman 29 week of pregnant ,high grade fever last 1 week,plecenta slightly displace abnormal fetal movement hemoglobin level low lDh level?

High fever, pregnant: This could be very serious. You require immediate medical attention with high fever for over a week and pregnant. Can you see a doctor, or go to a hospital or clinic as soon as possible. ...Read more

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I am 26weeks pregnancy my ths is 0.34 i take 100mcg.And my baby fetal heart rate 145/min and my hemoglobin 9.2gms%.I take macal vip 500mg in daly 2 ?

I am 26weeks pregnancy my ths is 0.34 i take 100mcg.And my baby fetal heart rate 145/min and my hemoglobin 9.2gms%.I take macal vip 500mg in daly 2 

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D/w your doctor : Follow up with your doctor/ob- you need to have your iron and folate (folic acid) level checked and if they are low- definitely need to get replacement. Your thyroid medication dose may also need to be adjusted down slightly. Also, you need to take prenatal multivitamin one a day. I don't know what is inside the macal vip- but i assume it is vit c mainly. Discuss further with your ob. ...Read more

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Help docs, is increased fetal haemoglobin is seen in haemoglobin h disease?

Help docs, is increased fetal haemoglobin is seen in haemoglobin h disease?

Why do you ask?: Fetal hemoglobin, being made of alpha and gamma chains, tends to be up in the beta thalassemias, when it's hard to make beta chains. It's not so much a marker of hemoglobin H disease, where the problem is making too little in the way of alpha chains. ...Read more

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What does a low hemoglobin mean?

What does a low hemoglobin mean?

Leeding: Low hemog.Lobin is most often associated with GI tract bleeding disorders such as myelofibrosis where the marrow is fibrosed and not proucing rbcs can also ause this problem. One checks stool for blood followed by olonoscopy, if in the uppere GI tract and not seen on gastroscoopy, a tv capsule swolled and follwed on tv can frequently define a lesion in the small intestine that is bleeding. ...Read more

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I have low hemoglobin. Can i exercise?

I have low hemoglobin. Can i exercise?

It depends: Other health conditions may force you to limit your activity. Depending on the level of hemoglobin, you may be very tired doing the things you normally do. Please ask your doctor about advice regarding exercise. ...Read more

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Why or how can a kids hemoglobin be low?

Why or how can a kids hemoglobin be low?

Anemia: There are several causes of anemia. If female for example, a heavy period can cause anemia. Sickle cell, iron deficiency, b-12 etc. Etc. Many causes, have them checked out and diagnosed. Good luck. ...Read more

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What to do if I have low hemoglobin count?

What to do if I have low hemoglobin count?

See doctor: determine the cause to determine treatment. It may be as simple as iron deficiency requiring supplementation, or it may be more complicated. ...Read more

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How much hemoglobin do we have in our bodies?

How much hemoglobin do we have in our bodies?

About 1.54 pounds: Normal adult Hb ~ 14 g/dL ; 14 g/dL * 10 dL / L * 5 L blood volume = 700 grams ; 700g * 1 lb / 453g ~ 1.54 pounds. Hope that answer was all you hoped for and more. ...Read more

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What are good ways to boost hemoglobin rate..?

What are good ways to boost hemoglobin rate..?

Unclear question: What is your hemoglobin level? There is no benefit to trying to increase it if it is at a normal level. If you have low hemoglobin, see your doctor for a proper diagnosis. ...Read more

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What can it mean when your hemoglobin is high?

What can it mean when your hemoglobin is high?

See a blood speciali: A hematologist can figure it out. You need to be checked for polycythemia which is a low grade cancer of the blood which is often treated with blood letting although there is a new drug now on the market to treat it. For this you need to consult the hematologist, . ...Read more

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Do a person sleeps more because of low hemoglobin?

Do a person sleeps more because of low hemoglobin?

Maybe: Fatigue, which might contribute to sleepiness, can be a symptom of anemia. It partly depends on the underlying cause of the anemia, of which there are many. ...Read more

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What count level of hemoglobin is the right count?

Range of normal: Normal hemoglobin ranges are different in men and women. Male: 13.8 to 17.2 gm/dl female: 12.1 to 15.1 gm/dl. ...Read more

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My hemoglobin is 7.9, how much lower is dangerous?

My hemoglobin is 7.9, how much lower is dangerous?

See below : 7.9 is low and is dangerous, normal is between 12 and 15. Having a low hemoglobin causes your heart to work much harder and on the long run can cause your heart to poop out. Low hemoglobin causes shortness of breath and fatigue which can be severe. Plus you should find out why ur blood count is low, it's important . Good luck ! ...Read more