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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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Where do I go to get an amniocentesis done?

Depends on reason: Amniocentesis is the procedure by which fluid is removed from the amniotic sac. It is done to study chromosomes, perform genetic tests, check lung maturity, etc. In general, it is performed by an obgyn specialist or a maternal-fetal medicine subspecialist in the office or clinic. It might also be performed on labor and delivery or the antepartum ward. Ask the OB provider what is best in your case. ...Read more

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What is amniocentesis?

What is amniocentesis?

Amnio is a procedure: Amniocentesis is the procedure during which a long, slim needle is inserted through the prenant woman's abdominal and uterine walls and through the membranes of the amniotic sac, and fluid is aspirated/drawn into a syringe attached to that needle. Fluid can be studied for chromosomes (karyotype) or special genetic disorders, for infection, for lung maturity and for other conditions of baby or mom. ...Read more

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How long does it take to get the results of an amniocentesis?

How long does it take to get the results of an amniocentesis?

Days: If you are waiting on chromosomal analysis, it should be final within 2 weeks, usually sooner. Other tests, such as for infection, are within hours. AFP levels are known the next day. ...Read more

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Why do I need to get an amniocentesis?

Genetic or baby test: Amniocentesis is generally done for 3 different reasons. It is done at 16-18 weeks to test for genetic problems. It may be done in the few weeks before your due date to test for baby lung maturity to see if it is safe for the baby to deliver. It can be done in the middle of pregnancy to test for signs of infection or blood problems in the baby. ...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