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Doctor insights on: Amniocentesis Lung Maturity

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If the amniocentesis shows lung problems. Can this be reversed?

If the amniocentesis shows lung problems. Can this be reversed?

Yes: The amniocentesis will generally show if the baby's lungs are mature yet or not. Given enough time all baby's will have mature lungs. ...Read more

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Dr. Monica Popov
334 doctors shared insights

Amniocentesis (Definition)

Amniocentesis is a procedure used to draw a sample of the amniotic fluid that surrounds and cushions the baby in the womb. This fluid contains cells that have been sloughed off of the developing fetus. Amniocentesis is most often used to detect genetic abnormalities, though the results can also reveal the baby's sex, gauge lung maturity (if done close to term), detect amniotic fluid infections, or ...Read more


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What alternatives are there to amniocentesis for lung function?

What alternatives are there to amniocentesis for lung function?

Good dates, U/S!: A first half of pregnancy sonogram can obviate the need for flm amniocentesis and is the best option to accurately date your pregnancy! other markers of fetal maturity include the proximal humeral epiphysis, which appears after 38 weeks. ...Read more

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What should I expect as far as procedure and pain with my upcoming amniocentesis? How accurate are the results for lung function test?

What should I expect as far as procedure and pain with my upcoming amniocentesis? How accurate are the results for lung function test?

Not too bad: An ultrasound will ensure a healthy infant & find a good pocket of fluid. Your doc will inform you of the rare risks & obtain consent. Then after a prep, a long thin needle will be placed through the abdomen into the fluid which is removed with a syringe. This part is not too painful. Us ensures a safe procedure & the fluid is sent for tests. Lung maturity tests are accurate to ensure delivery. ...Read more

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Should I get betamethasone shots if my amniocentesis tests showed my baby will have lung problems?

Should I get betamethasone shots if my amniocentesis tests showed my baby will have lung problems?

Talk to your MD: If you are close to delivery or a c-section your OB may recommend this treatment to help your child. If you still have time to wait the baby may mature on his/her own. Talk to your OB about your case. ...Read more

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What assesses fetal lung maturity?

What assesses fetal lung maturity?

Fetal Lung: There are several indications that the fetus is developing normally. The length of the fetus can be determined by an ultrasound. The lungs may be visualized , and the development of any changes in the lung determined within the limitations of the testing. In addition, the developing lung produces surfactant and if the infant is born prematurely, supplemental surfactant may be needed. ...Read more

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How does the test for fetal lung maturity work?

Yes: Stress and duration in utero prepare the lungs to stay open using surfactant. Respiration not needed in utero, mom and placenta do the work. The amnio and ratio forecast how able the lungs are to deal with ambient atmosphere and pressure to respire normlly. ...Read more

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How risky is an amniocentesis?

How risky is an amniocentesis?

Has risks: All procedures have risks and benefits. Refer to provider for their risk ratio. ...Read more

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How accurate is amniocentesis?

Very accurate: An amniocentesis samples the fetal dna from amniotic fluid. Because the test is sampling the baby's dna directly the test is extremely accurate. ...Read more

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What will amniocentesis be like?

What will amniocentesis be like?

A 'pinch' or 'ouch'?: Typical method: consent is obtained; questions answered. Ultrasound is used to find best location for needle. Iodine is wiped on skin. Ultrasound is placed on abdomen again. Skin may be numbed by injection. Amniocentesis needle (long but thin) is inserted through abdominal wall into amniotic sac. Syringe is attached; fluid is withdrawn. Heartbeat is checked. Skin is cleaned. Instructions are given. ...Read more

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What happens during an amniocentesis?

What happens during an amniocentesis?

Amnio step-by-step: Consent is obtained; questions are answered. Ultrasound is used to find best location for needle. Iodine is wiped on skin. Ultrasound is placed on abdomen again. Skin may or may not be numbed by injection. Amniocentesis needle (long but thin) is inserted through abdominal wall into amniotic sac. Syringe is attached; fluid is withdrawn. Heartbeat is checked. Skin is cleaned. Instructions are given. ...Read more

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Lung (Definition)

Deoxygenated blood enters the lungs from the right side of the heart and travels to the lungs. When you inspire, oxygen flows into the lungs, transverses the capilliares and attaches to hemoglobin down a gradient. At the same time, co2 diffuses into the capilaries and is expelled with exhalation. Oxygen rich blood then flows to the left side of the heart and into the ...Read more