What to Expect at Your Detail Scan? Understanding Ultrasound Reports in 1 Minute

What to Expect at Your Detail Scan?
Understanding Ultrasound Reports in 1 Minute

Weeks 20-24 are the most anticipated (and nervous) time for all moms-to-be. It's time for the famous "Detail Scan"!

This isn't just about seeing your baby's face for the first time; it's a critical medical check. When you get that report full of confusing acronyms (BPD, FL, AC...), what do they actually mean? Let Newparents decode them for you.

1. What is a Detail Scan?

In Malaysia, this is usually done between 18-24 weeks. The sonographer will spend 30-45 minutes checking every organ.

  • Head: Brain structure, checking for hydrocephalus, and ruling out Cleft Lip.
  • Heart: Ensuring all 4 chambers are complete and blood flow is normal.
  • Spine: Checking for Spina Bifida (gaps in the spine).
  • Limbs & Organs: Counting fingers/toes and checking if the stomach, kidneys, and bladder are visible.

2. Decoding the 4 Key Metrics (Biometry)

Those mysterious letters on your report are measuring your baby's "size":

  • BPD (Biparietal Diameter): The width of the head (ear to ear).
  • HC (Head Circumference): The distance around the head.
  • AC (Abdominal Circumference): The belly size. This is the best indicator of whether the baby is chubby or skinny (nutrition status).
  • FL (Femur Length): The length of the thigh bone. This indicates how tall the baby is.

*Note: If measurements are +/- 1 to 2 weeks off, it is usually considered within the normal range. Don't panic!

3. Can we see if it's a Boy or Girl?

Yes! Week 20 is the golden time for gender reveal.

  • If the baby cooperates (legs apart), doctors can usually be 95%+ certain.
  • If the baby is "shy" or crossing legs, the doctor might ask you to go for a walk, drink some sweet juice, and come back to try again.

4. What if I see "Soft Markers"?

Sometimes reports mention "Echogenic Focus" (bright spot on heart) or "Pyelectasis" (kidney fluid).

  • Often, these are just "soft markers" and do not mean the baby has a defect. Most disappear on their own as the baby grows.
  • If your doctor reviews it alongside your previous NIPT results and says "Low Risk," please trust the professional and relax.

💡 Conclusion: No News is Good News

While the Detail Scan is powerful, it is not 100% foolproof. It depends on the baby's position and the machine's clarity.

As long as the doctor concludes with "No Obvious Abnormality," that is the best news possible! Now, you can happily start packing your hospital bag! 💖

#DetailScanMalaysia #20WeekScan #UltrasoundReport #BPD #FL #AC #GenderReveal #PregnancyTips #NewparentsMY

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Jan 23,2026