Normal pregnancy and antenatal care mnemonic

Fundal height landmarks

The mnemonic

12, 24, 36

What each word stands for

  • 12Fundus just above the symphysis pubis
  • 24Fundus at the umbilicus
  • 36Fundus at the xiphisternum

Why it matters clinically

Quick bedside check that size matches dates.

Where it stops being reliable

Approximate only. Near term the fundus may descend as the head engages.

Teaching aid, still awaiting independent review. Confirm facts in a standard source.

More mnemonics

Common questions

What is the Normal pregnancy and antenatal care mnemonic?

12, 24, 36. It helps you recall: Fundal height landmarks.

What does "12" stand for?

Fundus just above the symphysis pubis

What does "24" stand for?

Fundus at the umbilicus

What does "36" stand for?

Fundus at the xiphisternum

What are all the parts of the 12, 24, 36 mnemonic?

12: Fundus just above the symphysis pubis; 24: Fundus at the umbilicus; 36: Fundus at the xiphisternum.

Which topic does this mnemonic belong to?

It belongs to Normal pregnancy and antenatal care in OBG.

Where does this mnemonic stop being reliable?

Approximate only. Near term the fundus may descend as the head engages.

How is this useful clinically?

Quick bedside check that size matches dates.

How do I make this mnemonic stick?

Say it aloud, write it from memory tomorrow, then again in a week. Then test yourself on a OBG question about Normal pregnancy and antenatal care.

Is this a standard mnemonic?

It is a teaching aid written or adapted by our team. Some resemble ones students share informally. Check any fact that matters in a standard source.