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BPP (Biophysical Profile) with FWB (Fetal Well-Being) Scan

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BPP (Biophysical Profile) with FWB (Fetal Well-Being) Scan

A BPP (Biophysical Profile) with FWB (Fetal Well-Being) Scan is a third-trimester ultrasound that assesses the baby’s health, growth, and oxygen supply inside the womb. It is commonly done after 28 weeks, especially in high-risk pregnancies, to detect fetal distress, low oxygen levels, or potential complications.

1. Fetal Well-Being (FWB) Assessment

✅ Fetal Growth Parameters:

  • Biparietal Diameter (BPD) – Head width

  • Head Circumference (HC) – Overall head size

  • Abdominal Circumference (AC) – Determines fetal weight

  • Femur Length (FL) – Measures thigh bone growth

  • Estimated Fetal Weight (EFW) – Predicts if the baby is growing properly

✅ Amniotic Fluid Index (AFI):

  • Checks if there is enough amniotic fluid (low or high levels may indicate a problem).

✅ Fetal Heart Rate (FHR):

  • Measures the baby’s heartbeat and any variations indicating distress.

✅ Fetal Position & Placenta Location:

  • Confirms if the baby is in the correct position for delivery and checks for placental abnormalities (e.g., placenta previa).

2. Biophysical Profile (BPP) – 5 Key Parameters

The BPP score (out of 10) evaluates fetal health based on five factors:

Parameter Normal (2 points) Abnormal (0 points)
Fetal Movements 3+ movements in 30 min Less than 3 movements
Fetal Tone Flexion & extension seen No movement or abnormal tone
Fetal Breathing Movements 1+ breathing movements in 30 min No fetal breathing
Amniotic Fluid Index (AFI) Normal fluid levels Low or absent fluid
Non-Stress Test (NST) (if included) Normal heart rate pattern Abnormal HR pattern

Interpreting BPP Score:

  • 8-10: Normal (Baby is healthy)

  • 6: Borderline (Needs close monitoring)

  • 4 or below: Possible fetal distress (Immediate action needed, may require delivery)

When is BPP with FWB Done?

📌 Between 28 to 40 weeks for fetal monitoring.
📌 Recommended in high-risk pregnancies, including:

  • Diabetes, Hypertension, or Preeclampsia

  • IUGR (Intrauterine Growth Restriction)

  • Decreased Fetal Movements

  • Oligohydramnios (Low Amniotic Fluid) or Polyhydramnios (Excess Fluid)

  • Previous Stillbirth or Placental Abnormalities

  • Multiple Pregnancies (Twins, Triplets, etc.)

Preparation for the Scan:

🔹 No fasting required.
🔹 Drink water before the scan (a moderately full bladder helps with imaging).
🔹 Wear comfortable, loose clothing.

Procedure:

1️⃣ A gel is applied to the abdomen.
2️⃣ The transducer (probe) is moved over the belly to capture images.
3️⃣ Fetal growth measurements and BPP parameters are recorded.
4️⃣ The doctor checks for fetal breathing movements and activity.
5️⃣ If required, a Non-Stress Test (NST) may be done to check fetal heart rate patterns.
6️⃣ The scan takes 30-45 minutes and is painless.

Is This Scan Safe?

✅ Yes, it is completely safe, non-invasive, and radiation-free.
✅ Helps detect fetal distress early, preventing complications.