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Doctor insights on: When And How Does A Fetus Recieve Oxygen

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When and how does a fetus start to receive oxygen? Does it receive oxygen from day one?

When and how does a fetus start to receive oxygen? Does it receive oxygen from day one?

Through placenta: A fetus does receive Oxygen. Oxygen travels from the mother to the baby via red blood cells passing through mothers placenta and the fetal umbilical cord. ...Read more

Dr. Scott Bolhack
3,112 doctors shared insights

Oxygen (Definition)

Oxygen is a gas that the cells in your body need to work properly. The air we breathe normally has 21% oxygen. A maximum of 100% oxygen can be given. Babies with heart or lung problems may need ...Read more


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True? False? Laying on ur back during pregnancy slows the return of blood to the heart which reduces blood flow to the fetus less oxygen less nutrients

True? False? Laying on ur back during pregnancy slows the return of blood to the heart which reduces blood flow to the fetus less oxygen less nutrients

Depends: Early in pregnancy lying on your back is fine. Later in the third trimester some women may be advised to lay on their left side to reduce blood pressure or in cases of poor fetal growth. However, for most women lying on your back is compensated with an increase in your pulse and the oxygen level to the baby is fine. So, for some this is true, but in general is false. ...Read more

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How does the flu directly or indirectly harm the fetus of a pregnant woman? I know pneumonia can obviously cause lack of oxygen to the baby. What else

How does the flu directly or indirectly harm the fetus of a pregnant woman? I know pneumonia can obviously cause lack of oxygen to the baby. What else

Flu affects mom: Pregnant women have a suppressed immune system which inhibits their ability to fight off infections like the flu. The fetus is at risk because the mom is at risk when infected. The best thing to do is to get an annual flu vaccine. ...Read more

Dr. Tony Ho Dr. Ho
2 doctors agreed:
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If I eat a lot of microwaved foods, do that mean I'm actually receiving radiation, and can microwaved foods cause any harm to my fetus?

Dr. Tony Ho Dr. Ho
2 doctors agreed:
If I eat a lot of microwaved foods, do that mean I'm actually receiving radiation, and can microwaved foods cause any harm to my fetus?

No: There is no ionizing radiation present in microwaves. Microwaves are simply waves that vibrate at the same frequency that water does, so when it strikes water, it makes the water heat up. ...Read more

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If someone has 'hypoxemia' and is receiving oxygen, why would they need to be tested for sleep apnea? Wouldn't the oxygen take care of the apnea?

If someone has 'hypoxemia' and is receiving oxygen, why would they need to be tested for sleep apnea? Wouldn't the oxygen take care of the apnea?

Perhaps.: The hypoxemia may be related to sleep apnea. No, if you have sleep apnea, either the airway is blocked (obstructive) or you don't breath (central). In either case, sleep studies are indicated. ...Read more

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My daughter has bronchiolitis and her oxygen saturation today fell to 92. After receiving several meds via nebulizer and her vein. Cause?

My daughter has bronchiolitis and her oxygen saturation today fell to 92. After receiving several meds via nebulizer and her vein. Cause?

Mismatch: Between areas in the lungs where the oxygen can get through constricted airways and those parts of the lung tissue where the most of the blood is circulating creates the drop in percentage of oxygenated hemoglobin (saturation). 92% is worrying, but if it does not drop any further, is not life-threatening in a 15 months old, as long as there is prompt access to care and adequate monitoring ...Read more

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How does a fetus develop?

How does a fetus develop?

Genetic programming: Just like a computer program the genetic composition of the developing egg determines what will appear on the "computer screen"(baby). In conjunction with good nutrition by the mother, Voila! A new life to nurture. ...Read more

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How does a fetus breathe?

How does a fetus breathe?

The fetus does: Breathe, in fact breathing movements are part of the biophysical profile to determine the health of your baby. But respiration, the transfer of oxygen and carbon dioxide occurs at the placenta. ...Read more

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How does a fetus handle fever?

How does a fetus handle fever?

Doesn't: Mom is the one who handles the fever. The fetus may have changes in heart rate along with mom, but the physiologic responses to whatever is causing the fever belong to the mother. ...Read more

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How does a fetus get fetal alcohol syndrome? What modifies the fetus's growth?

How does a fetus get fetal alcohol syndrome? What modifies the fetus's growth?

Alcohol injestion: Any amount of alcohol while pregnant can cause fas. We do not know the amount needed. Sometimes we see only fetal alcohol effect, not syndrome. Usually, if a mom injests significant alcohol, her nutrition is poor which delays fetal growth. ...Read more

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How does a fetus handle mom's fever?

Through Mom: Difficult to know the degree to which the fetus has developed its own capacity to fight infection, and its primary defenses are those of the mother and the placental barrier between mom and baby. Fever is felt by many to be a helpful mechanism in fighting some infections. The fetus will obviously be affected by its mothers illnesses. ...Read more

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How does a fetus breathe inside its mother's belly?

How does a fetus breathe inside its mother's belly?

Breathing movement..: You breath by moving your diaphram up and down drawing air in and pushing air out of your lungs. On ultrasound, it is possible to watch the baby's lungs and diaphram and see "breathing movements". When the baby's diaphragm goes down, it draws fluid into the lungs; and when it moves up fluid is forced out. This is very important for lung developement. Best wishes! ...Read more

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How to increase fetus weight?

How to increase fetus weight?

Healthy diet.: Human fetal growth relies on many factors, most of which are not modifiable (e.g. Genetic material, placental function). Some others are, namely healthy diet, avoidance of smoking cigarettes and euglycemia. The curve attached shows how the human fetus grows exponentially near the end of the pregnancy — so another thing you can do to help your fetus grow is to avoid stress and reach your due date. ...Read more

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May I know the Gender of the Fetus?

May I know the Gender of the Fetus?

Ultrasound: You will need to have an ultrasound to know the gender of the fetus. You can also do an amniocentesis which is more invasive but more accurate and definitive to get a DNA test for sex determination. I am not sure if that is necessary unless you have a family history of genetic disorder that is related to sex of the baby. ...Read more

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What do they do with aborted fetuses?

What do they do with aborted fetuses?

Proper disposal: If the abortion occurred in a hospital, it goes to pathology and the remains are usually put in the hospital incinerator — although at the family's request, they can receive them for private burial. ...Read more

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Is normal not to see a fetus at 5 weeks?

Is normal not to see a fetus at 5 weeks?

Yes: At early 5 week ultrasound you may only see a gestational sac, nothing more. ...Read more

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What does it mean if your oxygen is at 91?

What does it mean if your oxygen is at 91?

A little low: Assuming you mean a "pulse ox" result, then 91% means that your are getting 91% oxygen saturation at the tips of your fingers. Normal is 97-100%. As a gauge, medicare guidelines will pay for oxygen if under 88%. If you have asthma or copd, this may be baseline for you? Check with your dr and follow up if your pule ox remains in the low 90s as you want to assure this is followed up on. ...Read more

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Is thisnormal oxygen level 96 to 97 for my age?

Yes: A typical oxygen saturation level for most people your age would be 95% or higher; however, if you are having shortness of breath or any other concerning symptoms, you should see a physician, as this number doesn't tell us everything that is going on. ...Read more

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Would like to how the fetus looks week by week?

Would like to how the fetus looks week by week?

Good sites: Two good resources follow. One is a website and the other is a book.1. http://www.whattoexpect.com/pregnancy/week-by-week/ 2. "What to expect when you are expecting". They will describe / show fetus appearance. ...Read more

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What is cause of someone not having enough oxygen?

Destruction: Of lung tissue like COPD or a process that temporarily renders it dysfunctional, like pneumonia, pulmonary edema, heart failure. ...Read more

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Oxygen level showing at 81%, but I have no problem?

Your finger is: Probably cold or not getting enough blood flow, which then affects your PO2 measurement. If you are tracking your pulse oximetry, you should also see a sine wave indicative of your pulse pressure along with the O2 readout. If you do not, or do not have a machine capable of such reading, I would not trust your result. Thanks for trusting in HealthTap. ...Read more

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I feel like my oxygen is low but its normal .How's this?

Do you tire easily?: Do you mean you are short of breath or do you mean you feel very tired. There are many causes for both these symptoms. You need to have a detailed evaluation by your doctor. Please give more details if you need a more focused response. ...Read more

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What are the effects of meselamine tab. 500 mg. On a fetus?

What are the effects of meselamine tab. 500 mg. On a fetus?

Thought to be safe: Mesalamine, or pentasa, (mesalamine) is thought to be one of the safer forms of medication for controlling ulcerative colitis or chrons in pregnancy. There are no known negative effects on the fetus. Sometimes rectal Mesalamine can be used for lower systemic dosing. ...Read more

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What determines if a fetus is "measuring small?" how is this figured out?

What determines if a fetus is "measuring small?" how is this figured out?

Your Obstetrician: May suspect the fetus is measuring small for your gestational age on the basis of physical examination. An ultrasound may be ordered to assess size and growth. Fetal biometry, which includes measurements of the fetal head, abdomen and femur, is used to measure the fetus, and these numbers are compared to the expected size based on established gestational age. ...Read more