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YOUltrasounds in pregnancy 🤰🏻
# 🩺 1️⃣ Early Pregnancy / Viability Scan (6–9 weeks)
✔ Confirms pregnancy inside uterus
✔ Detects heartbeat
✔ Rules out ectopic pregnancy
✔ Confirms number of babies
⚠ Missing this can delay diagnosis of **Ectopic pregnancy**
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# 🧬 2️⃣ NT Scan (11–13+6 weeks)
Also called Nuchal Translucency scan.
✔ Measures fluid behind baby’s neck
✔ Screens for chromosomal conditions like **Down syndrome**
✔ Combined with dual marker blood test
👉 Best time window is very strict!
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# 🫀 3️⃣ Anomaly / Level II Scan (18–22 weeks)
Most important scan.
✔ Detailed organ check — brain, heart, spine, kidneys
✔ Detects structural abnormalities
# 📍 4️⃣ Growth Scan (28–32 weeks)
✔ Checks baby’s weight
✔ Amniotic fluid level
✔ Placenta position
✔ Doppler if needed
Detects **Intrauterine growth restriction** early.
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# ❤️ 5️⃣ Additional Scans (If Required)
• Fetal Echo (if heart concern)
• Doppler (if BP/diabetes)
• Placenta previa follow-up
📚 References
• **American College of Obstetricians and Gynecologists** – Prenatal Ultrasound Guidelines
• **World Health Organization** – WHO Recommendations on Antenatal Care
• **International Society of Ultrasound in Obstetrics and Gynecology** – Practice Guidelines
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