Pregnancy Test Calculator: When to Test and hCG Levels

Your details

Choose natural if you conceived without assistance, or IVF if you had an embryo transfer.
The typical number of days from the first day of one period to the first day of the next.
days
How many days ago your most recent period started. Enter 0 if it started today.
days ago
Ovulation typically occurs 12-16 days before your next period. For a 28-day cycle this is day 14.
days after LMP
Choose your test brand. A lower mIU/mL sensitivity means the test can detect hCG sooner. First Response is the most sensitive widely available brand.
Estimated hCG todayToo early to test
0mIU/mL

Median estimated hCG level for today based on DPO. Individual levels vary widely.

Days past ovulation (today)0DPO
Your test detects hCG at25mIU/mL
Earliest detectable DPO11DPO
Days until recommended test11days
Testing statusWait 11 more days
0 DPO
  • Implantation (earliest)
  • Implantation (typical)
  • ~48 mIU/mL
  • Missed period
  • ~334 mIU/mL

Wait 11 more days

  • For your chosen test, the estimated earliest reliable detection day is 11 DPO. Testing before this increases the risk of a false negative.
  • Always use first-morning urine for the most concentrated hCG sample. Diluted urine from drinking too much liquid can lower apparent hCG concentration and cause false negatives.

Next stepWait 11 more days before testing to reduce the chance of a false negative. If your period does not arrive as expected, test again.

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