Persistent Fetal Circulation (PFC)

Patient Tools

Read, save, and share this guide

Use these quick tools to make this medical article easier to read, print, save, or share with a family member.

On this page8 sections

Article Summary

Persistent fetal circulation (PFC) is a medical condition where a newborn baby's circulation system doesn't switch from the fetal pattern to the normal pattern after birth. This can cause significant health problems and requires prompt medical attention. Let's break down everything you need to know about PFC in simple terms. Persistent fetal circulation (PFC) refers to a condition where a newborn baby's circulation system doesn't...

Key Takeaways

  • This article explains Causes: in simple medical language.
  • This article explains Symptoms: in simple medical language.
  • This article explains Diagnostic Tests: in simple medical language.
  • This article explains Treatments in simple medical language.
Before reading

RX Patient Tools

Use these quick guides before reading the article, or return to them when you need help preparing questions for a doctor.

Start here Choose the right pathway for symptoms, reports, medicines, or urgent warning signs. Disease article roadmap Read this topic step by step: meaning, symptoms, warning signs, diagnosis, treatment, prevention, and follow-up. Treatment planner Prepare questions about treatment choices, benefits, risks, side effects, and follow-up. Family & caregiver guide Organize symptoms, reports, medicines, questions, and follow-up safely. Nutrition & diet guide Prepare food, hydration, supplement, and medicine-timing questions safely. Prevention guide Organize risk factors, protective habits, screening, and warning signs. Recovery guide Prepare a safe plan for activity, rehabilitation, warning signs, and follow-up.
Educational health guideWritten for patient understanding and clinical awareness.
Reviewed content workflowUse writer and reviewer profiles for stronger trust.
Emergency safety firstUrgent warning signs are highlighted below.
Choose your reading view

Patient View highlights a simple learning journey. Clinical View reveals structure, evidence, and editorial completeness.

Definition

Persistent fetal circulation (PFC) is a medical condition where a newborn baby’s circulation system doesn’t switch from the fetal pattern to the normal pattern after birth. This can cause significant health problems and requires prompt medical attention. Let’s break down everything you need to know about PFC in simple terms.

Persistent fetal circulation (PFC) refers to a condition where a newborn baby’s circulation system doesn’t transition from the fetal pattern to the normal pattern after birth.

Types:

There are no specific types of PFC. It’s a singular condition characterized by persistent circulation patterns seen in the fetus.

Causes:

  1. Meconium aspiration : When a baby inhales meconium (the first stool) during birth.
  2. Birth asphyxia: Lack of oxygen during delivery.
  3. during pregnancy: Such as chorioamnionitis.
  4. heart defects: Abnormalities in the structure of the heart.
  5. Premature birth: Babies born before 37 weeks are at higher risk.
  6. Maternal : Poorly controlled diabetes during pregnancy.
  7. Placental abnormalities: Issues with the can affect oxygen exchange.
  8. Maternal drug use: Certain drugs used during pregnancy can impact fetal circulation.
  9. Fetal distress during : Abnormalities in the baby’s heart rate during labor.
  10. Umbilical cord problems: Issues with the umbilical cord can affect blood flow.
  11. factors: Certain genetic conditions can predispose a baby to PFC.
  12. Maternal : High blood pressure during pregnancy.
  13. Maternal smoking: Smoking during pregnancy can affect fetal circulation.
  14. Fetal infection: Infections in the fetus can disrupt normal development.
  15. Maternal substance abuse: Use of substances like alcohol or illicit drugs during pregnancy.
  16. : Poor growth of the baby in the .
  17. Maternal diseases: Conditions where the immune system attacks the body’s own tissues.
  18. Maternal obesity: Excess weight during pregnancy can impact circulation.
  19. Maternal age: Advanced maternal age can increase the risk.
  20. Multiple gestations: Twins or higher-order multiples can increase the risk of complications.

Symptoms:

  1. Rapid breathing (tachypnea).
  2. Difficulty breathing ().
  3. (bluish discoloration of the skin).
  4. Poor feeding.
  5. Lethargy (excessive sleepiness).
  6. .
  7. Low blood pressure.
  8. Rapid heart rate ().
  9. Cool extremities.
  10. Sweating.
  11. Grunting.
  12. Nasal flaring.
  13. Irritability.
  14. Seizures.
  15. patterns.
  16. Retractions (visible sinking of the chest wall during breathing).
  17. Poor weight gain.
  18. Pale or mottled skin.
  19. .
  20. in the legs, , or other body parts.

Diagnostic Tests:

  1. History and physical examination: The doctor will ask about the baby’s symptoms and perform a physical exam to assess breathing, heart rate, and other .
  2. : A non- test that measures oxygen levels in the blood.
  3. Blood tests: To check for signs of infection or other abnormalities.
  4. Chest : To assess the lungs and heart.
  5. : An of the heart to look for structural abnormalities.
  6. Electrocardiogram ( or EKG): To measure the electrical activity of the heart.
  7. () analysis: To assess oxygen and carbon dioxide levels in the blood.
  8. Complete blood count (CBC): To check for signs of infection or anemia.
  9. Coagulation studies: To assess blood clotting function.
  10. Urine tests: To check for signs of infection or kidney problems.
  11. Brain imaging: In cases of seizures or neurological symptoms.
  12. Genetic testing: To look for underlying genetic conditions.
  13. Doppler ultrasound: To assess blood flow in the arteries and veins.
  14. CT scan or MRI: Imaging tests to assess for complications or structural abnormalities.
  15. Cardiac catheterization: In severe cases to assess heart function and blood flow.
  16. Lung function tests: To assess respiratory function.
  17. Thyroid function tests: To assess thyroid function.
  18. Viral studies: To check for viral infections.
  19. Blood culture: To identify any bacterial infections.
  20. Allergy testing: If there’s a suspicion of allergic reactions contributing to symptoms.

Treatments

(Non-Pharmacological):

  1. Oxygen therapy: Providing supplemental oxygen to improve oxygen levels in the blood.
  2. Mechanical ventilation: Using a machine to help the baby breathe.
  3. Extracorporeal membrane oxygenation (ECMO): A procedure to provide heart and lung support when other treatments aren’t sufficient.
  4. Nasal continuous positive airway pressure (NCPAP): Delivering a constant flow of air to keep the airways open.
  5. Keeping the baby warm: Using incubators or warm blankets to maintain body temperature.
  6. Intravenous fluids: To maintain hydration and provide nutrition.
  7. Nutrition support: Providing specialized formulas or breast milk to meet the baby’s nutritional needs.
  8. Monitoring: Continuous monitoring of vital signs and oxygen levels.
  9. Positioning: Keeping the baby in certain positions to optimize breathing.
  10. Emotional support: Providing support to parents and caregivers during a stressful time.
  11. Avoiding exposure to smoke: Keeping the baby away from tobacco smoke, which can worsen symptoms.
  12. Minimizing stress: Creating a calm and quiet environment for the baby.
  13. Skin-to-skin contact: Encouraging bonding between the baby and parents, which can have positive effects on both physical and emotional health.
  14. Suctioning: Clearing secretions from the airways to improve breathing.
  15. Gradual weaning from respiratory support: Slowly reducing the level of support as the baby improves.
  16. Kangaroo care: Holding the baby skin-to-skin to promote bonding and regulate body temperature.
  17. Gentle handling: Minimizing unnecessary handling to reduce stress on the baby.
  18. Physical therapy: In some cases, to help with mobility and muscle strength.
  19. Eye protection: Using eye ointment or patches to protect the baby’s eyes during treatment.
  20. Occupational therapy: To support feeding and other developmental milestones.

Drugs:

  1. Surfactant: A medication given to improve lung function in premature babies.
  2. Inotropic agents: Drugs to support heart function.
  3. Antibiotics: If there’s evidence of infection.
  4. Diuretics: To remove excess fluid from the body.
  5. Prostaglandins: To keep the ductus arteriosus open in cases of congenital heart defects.
  6. Vasodilators: To improve blood flow to vital organs.
  7. Inhaled nitric oxide: To improve oxygenation in the blood.
  8. Sedatives: To keep the baby calm during procedures or treatments.
  9. Analgesics: Pain relief medications if the baby is uncomfortable.
  10. Anticonvulsants: If the baby experiences seizures.

Surgeries:

  1. Patent ductus arteriosus (PDA) ligation: Closing an abnormal connection between two major blood vessels near the heart.
  2. Cardiac repair: Surgical correction of congenital heart defects.
  3. Umbilical artery catheterization: Placement of a catheter in the umbilical artery for monitoring or medication administration.
  4. Umbilical vein catheterization: Placement of a catheter in the umbilical vein for medication administration.
  5. Tracheostomy: Creating a surgical opening in the windpipe to assist with breathing.
  6. Gastrostomy: Placement of a feeding tube directly into the stomach.
  7. Thoracotomy: Surgical opening of the chest cavity for various procedures.
  8. Pericardiocentesis: Draining fluid from the sac around the heart.
  9. Fontan procedure: A surgical procedure to redirect blood flow in certain congenital heart defects.
  10. Pulmonary artery banding: Placing a band around the pulmonary artery to reduce blood flow to the lungs.

Preventions:

  1. Prenatal care: Regular prenatal check-ups can help identify and manage risk factors.
  2. Avoiding smoking and alcohol: These substances can increase the risk of PFC.
  3. Managing chronic conditions: Proper management of conditions like diabetes and hypertension can reduce the risk.
  4. Avoiding certain medications: Consult a doctor before taking any medications during pregnancy.
  5. Healthy lifestyle: Eating a balanced diet and staying physically active during pregnancy can promote overall health.
  6. Genetic counseling: If there’s a family history of genetic conditions, consider genetic counseling before pregnancy.
  7. Monitoring fetal growth: Regular ultrasounds can help monitor the baby’s growth and development.
  8. Managing stress: Stress during pregnancy can impact fetal development, so finding healthy ways to manage stress is important.
  9. Avoiding exposure to infections: Take precautions to avoid infections during pregnancy.
  10. Educating yourself: Learn about the signs and symptoms of PFC so you can seek help promptly if needed.

When to See Doctors:

It’s essential to seek medical attention if your baby shows any signs or symptoms of PFC, such as rapid breathing, cyanosis, poor feeding, or lethargy. Early detection and treatment can significantly improve outcomes for babies with PFC.

In conclusion, Persistent Fetal Circulation (PFC) is a serious medical condition that requires prompt attention. Understanding the causes, symptoms, diagnosis, and treatment options can help parents and caregivers advocate for the best care for their baby. If you suspect your baby may have PFC, don’t hesitate to seek medical help right away.

 

Disclaimer: Each person’s journey is unique, treatment plan, life style, food habit, hormonal condition, immune system, chronic disease condition, geological location, weather and previous medical  history is also unique. So always seek the best advice from a qualified medical professional or health care provider before trying any treatments to ensure to find out the best plan for you. This guide is for general information and educational purposes only. If you or someone are suffering from this disease condition bookmark this website or share with someone who might find it useful! Boost your knowledge and stay ahead in your health journey. Thank you for giving your valuable time to read the article.

  1. https://www.ncbi.nlm.nih.gov/books/NBK532297/
  2. https://www.ncbi.nlm.nih.gov/books/NBK549894/
  3. https://www.ncbi.nlm.nih.gov/books/NBK526002/
  4. https://www.ncbi.nlm.nih.gov/books/NBK538474/
  5. https://www.ncbi.nlm.nih.gov/books/NBK53086/
  6. https://www.ncbi.nlm.nih.gov/books/NBK470237/
  7. https://www.ncbi.nlm.nih.gov/books/NBK576402/
  8. https://www.ncbi.nlm.nih.gov/books/NBK525964/
  9. https://www.ncbi.nlm.nih.gov/books/NBK441963/
  10. https://medlineplus.gov/skinconditions.html
  11. https://www.aad.org/about/burden-of-skin-disease
  12. https://www.usa.gov/federal-agencies/national-institute-of-arthritis-musculoskeletal-and-skin-diseases
  13. https://www.cdc.gov/niosh/topics/skin/default.html
  14. https://www.skincancer.org/
  15. https://illnesshacker.com/
  16. https://endinglines.com/
  17. https://www.jaad.org/
  18. https://www.psoriasis.org/about-psoriasis/
  19. https://books.google.com/books?
  20. https://www.niams.nih.gov/health-topics/skin-diseases
  21. https://cms.centerwatch.com/directories/1067-fda-approved-drugs/topic/292-skin-infections-disorders
  22. https://www.fda.gov/files/drugs/published/Acute-Bacterial-Skin-and-Skin-Structure-Infections—Developing-Drugs-for-Treatment.pdf
  23. https://dermnetnz.org/topics
  24. https://www.aaaai.org/conditions-treatments/allergies/skin-allergy
  25. https://www.sciencedirect.com/topics/medicine-and-dentistry/occupational-skin-disease
  26. https://aafa.org/allergies/allergy-symptoms/skin-allergies/
  27. https://www.nibib.nih.gov/
  28. https://rxharun.com/resources/category/resources/rxharun/article-types/skin-care-beauty/skin-diseases-types-symptoms-treatment/
  29. https://www.nei.nih.gov/
  30. https://en.wikipedia.org/wiki/List_of_skin_conditions
  31. https://en.wikipedia.org/?title=List_of_skin_diseases&redirect=no
  32. https://en.wikipedia.org/wiki/Skin_condition
  33. https://oxfordtreatment.com/
  34. https://www.nidcd.nih.gov/health/
  35. https://consumer.ftc.gov/articles/w
  36. https://www.nccih.nih.gov/health
  37. https://catalog.ninds.nih.gov/
  38. https://www.aarda.org/diseaselist/
  39. https://www.ninds.nih.gov/Disorders/Patient-Caregiver-Education/Fact-Sheets
  40. https://www.nibib.nih.gov/
  41. https://www.nia.nih.gov/health/topics
  42. https://www.nichd.nih.gov/
  43. https://www.nimh.nih.gov/health/topics
  44. https://www.nichd.nih.gov/
  45. https://www.niehs.nih.gov
  46. https://www.nimhd.nih.gov/
  47. https://www.nhlbi.nih.gov/health-topics
  48. https://obssr.od.nih.gov/
  49. https://www.nichd.nih.gov/health/topics
  50. https://rarediseases.info.nih.gov/diseases
  51. https://beta.rarediseases.info.nih.gov/diseases
  52. https://orwh.od.nih.gov/

 

RX Clinical Pathway Engine

Continue through a complete learning pathway

Move from understanding the topic to symptoms, tests, treatment, medicines, monitoring, and prevention.

Search the complete library
  1. Understand the condition Begin with the essential facts and a clear explanation of the topic.
  2. Recognize symptoms Learn common symptoms, signs, and patterns of presentation.
  3. Know when to seek help Review urgent warning signs and when professional assessment may be needed.
  4. Understand causes and risks Explore causes, risk factors, mechanisms, and contributing conditions.
  5. Explore tests and diagnosis Learn how clinicians assess the condition and which investigations may be discussed.
  6. Learn treatment approaches Review general treatment categories and management principles.
  7. Understand medicines safely Continue to medicine education, uses, precautions, and monitoring.
  8. Plan monitoring and follow-up Understand monitoring, complications, rehabilitation, and follow-up learning.
  9. Review prevention and self-care Explore prevention, healthy routines, and questions to discuss with a clinician.

Conditions & Diseases

Background, symptoms, causes, diagnosis, and care.

Explore this library

Tests & Investigations

Laboratory, imaging, screening, and diagnostic education.

Explore this library

Medicines

Uses, safety, monitoring, and related medicine knowledge.

Explore this library

Cancer Knowledge

Cancer types, screening, oncology, and treatment education.

Explore this library
Doctor visit helper

Prepare before seeing a doctor

A simple rural-patient checklist to help you explain symptoms clearly, ask better questions, and avoid unsafe self-treatment.

Safety note: This is not a prescription or diagnosis. For severe symptoms, pregnancy danger signs, children with serious illness, chest pain, breathing difficulty, stroke-like weakness, or major injury, seek urgent care.

Which doctor may help?

Start with a registered doctor or the nearest qualified health center.

What to tell the doctor

  • Write when the problem started and how it changed.
  • Bring old prescriptions, investigation reports, and current medicines.
  • Write allergies, pregnancy status, diabetes, kidney/liver disease, and major past illnesses.
  • Bring one family member if the patient is weak, elderly, confused, or a child.

Questions to ask

  • What is the most likely cause of my symptoms?
  • Which danger signs mean I should go to hospital quickly?
  • Which tests are necessary now, and which can wait?
  • How should I take medicines safely and what side effects should I watch for?
  • When should I come for follow-up?

Tests to discuss

  • Vital signs: temperature, pulse, blood pressure, oxygen saturation
  • Basic physical examination by a clinician
  • CBC, urine test, blood sugar, or imaging only when clinically needed

Avoid these mistakes

  • Do not use antibiotics, steroid tablets/injections, or strong painkillers without proper medical advice.
  • Do not hide pregnancy, kidney disease, ulcer, allergy, or blood thinner use.
  • Do not delay emergency care when danger signs are present.

Medicine safety and first-aid guide

This section is for patient education only. It does not replace a doctor, pharmacist, or emergency care.

Safe first steps

  • Avoid heavy lifting, sudden bending, and prolonged bed rest.
  • Use comfortable posture and gentle movement as tolerated.
  • Discuss physiotherapy, X-ray, or MRI only when clinically needed.

OTC medicine safety

  • For mild back pain, pain-relief medicine may be discussed with a doctor or pharmacist.
  • Avoid repeated painkiller use if you have kidney disease, stomach ulcer, uncontrolled blood pressure, or are taking blood thinners.

Avoid these mistakes

  • Do not start antibiotics without a proper medical decision.
  • Do not use steroid tablets or injections casually for quick relief.
  • Do not delay emergency care because of home remedies.

Get urgent help if

  • Back pain with leg weakness, numbness around private area, loss of urine/stool control, fever, cancer history, or major injury needs urgent care.
Medicine names, dose, and timing must be decided by a qualified clinician or pharmacist after checking age, pregnancy, allergy, other diseases, and current medicines.

For rural patients and family caregivers

Patient health record and symptom diary

Write your symptoms, medicines already taken, test results, and questions before visiting a doctor. This note stays on your device unless you print or copy it.

Doctor to discuss: Doctor / qualified healthcare provider
Tests to discuss with doctor
  • Basic vital signs: temperature, pulse, blood pressure, oxygen level if needed
  • Relevant blood, urine, imaging, or specialist tests only after clinical assessment
Questions to ask
  • What is the most likely cause of my symptoms?
  • Which warning signs mean I should go to emergency care?
  • Which tests are really needed now?
  • Which medicines are safe for my age, pregnancy status, allergy, kidney/liver/stomach condition, and current medicines?

Emergency warning signs such as chest pain, severe breathing difficulty, sudden weakness, confusion, severe dehydration, major injury, or loss of bladder/bowel control need urgent medical care. Do not wait for online information.

Safe pathway to proper treatment

Care roadmap for: Persistent Fetal Circulation (PFC)

Use this simple roadmap to understand the next safe steps. It is educational and does not replace examination by a doctor.

Go to emergency care if you notice:
  • Severe or rapidly worsening symptoms
  • Breathing difficulty, chest pain, fainting, confusion, severe weakness, major injury, or severe dehydration
Doctor / service to discuss: Qualified healthcare provider; specialist depends on symptoms and examination.
  1. Step 1

    Check danger signs first

    If danger signs are present, seek emergency care and do not wait for online information.

  2. Step 2

    Record the symptom story

    Write when symptoms started, severity, medicines already taken, allergies, pregnancy status, and test results.

  3. Step 3

    Visit a qualified clinician

    A doctor, nurse, or qualified healthcare provider can examine you and decide which tests or treatment are needed.

  4. Step 4

    Do only useful tests

    Do tests after clinical assessment. Avoid unnecessary tests, random antibiotics, or repeated medicines without diagnosis.

  5. Step 5

    Follow up and return early if worse

    If symptoms worsen, new warning signs appear, or treatment is not helping, return for review quickly.

Rural patient practical tips
  • Take a written symptom diary and all previous prescriptions/test reports.
  • Do not hide medicines already taken, even herbal or over-the-counter medicines.
  • Ask which warning signs mean urgent referral to hospital.

This roadmap is for education. A real diagnosis and treatment plan requires history, examination, and clinical judgment.

Internal learning pathway

Explore related RX articles

Related guides from RX Harun are grouped to help readers move from overview to symptoms, tests, treatment, and safe next steps.

Cardiovascular and Respiratory Disease (A - Z)
  1. Congenital Respiratory-Biliary Fistula DefinitionCongenital? respiratory-biliary fistula, also called congenital tracheobiliary fistula or congenital bronchobiliary fistula, is a very rare…
  2. Complete Atrioventricular Septal Defect (Complete AVSD) DefinitionComplete atrioventricular septal defect (complete AVSD) is a serious heart problem that a baby is born…
  3. Atrioventricular Canal–Type Ventricular Septal Defect DefinitionAtrioventricular canal–type ventricular septal defect is a special kind of hole in the wall between the…
  4. Coccidioidomycosis DefinitionCoccidioidomycosis is a lung infection? caused by a fungus called Coccidioides. This fungus lives in dry,…
  5. Cutaneomeningospinal Angiomatosis DefinitionCutaneomeningospinal angiomatosis is another name for Cobb syndrome?. It is a very rare condition where a…
  6. Coats Plus Syndrome DefinitionCoats plus syndrome? is a very rare, inherited?, multi-system disease where tiny blood vessels (especially in…