Digital Pregnancy Test 'Book' Symbol: Meaning & Next Steps

A "book" or "open book" icon on a digital pregnancy test (e.g., Clearblue) indicates an invalid or inconclusive result – the test cannot determine pregnant/not pregnant.

Common Causes

• Testing too early: hCG below detection threshold (test before missed period).
• Dilute urine: Excessive fluid intake; test with first-morning urine (most concentrated).
• Procedural error: Insufficient urine on absorbent tip, reading outside time window, expired test.
• Device malfunction: Rare; contact manufacturer for replacement.

What to Do

1. Wait 48–72 hours; hCG doubles every ~48 hours in early pregnancy.
2. Retest with first-morning urine, following instructions precisely.
3. If still invalid, contact healthcare provider for quantitative serum hCG blood test (most sensitive).
4. If pregnant, blood test confirms and monitors viability.

Do not assume negative. An invalid result means no answer, not "not pregnant."