Real ChatGPT answer · index seedjmjJKP0jxwEcompleteParenting and family · pregnancycommercial

What is the most accurate online calculator to determine my exact expected due date if my last ultrasound measurements just came in from my doctor.

ChatGPTgpt-62 queries11/1/2026
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Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What is the most accurate online calculator to determine my exact expected due date if my last ultrasound measurements just came in from my doctor.
2 real searches · 1 real-search pass
ACOG methods for estimating due date ultrasound crown rump length second trimester dating accuracy officialGoogle ↗
OBSERVEDReason
ultrasound due date calculator measurements BPD HC AC FL gestational age reputable medical calculatorGoogle ↗
OBSERVEDOther / navigational

Badge and edge weight = share of passes that produced the query. Hover a query for its intent and routing format.

Query classes

Google's semantic query class for every sub-query: what kind of answer each search is after, simulated vs real.

ChatGPT real searches (2)
Short factOther / navigational50%ComparisonConsequenceReason50%DefinitionInstructionYes / no

Classes come from the query-classifier (a local Laya model). 2 of 2 calls are low-confidence (under 50%) — hover a query in the table to see its confidence.

Searches and sources

ChatGPT2 real searches · gpt-6
ACOG methods for estimating due date ultrasound crown rump length second trimester dating accuracy official Google ↗
ultrasound due date calculator measurements BPD HC AC FL gestational age reputable medical calculator Google ↗

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
ACOG methods for estimating due date ultrasound crown rump length second trimester dating accuracy official
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
ultrasound due date calculator measurements BPD HC AC FL gestational age reputable medical calculator
OBSERVED
Google ↗
AI Mode ↗
—Other / navigational——1x
of 1