Real ChatGPT answer · index seedwxPfEJmjAkccompleteParenting and family · pregnancyinformational

What is the statistical variance between early ultrasound embryonic measurements and final due date accuracy when predicting spontaneous labor onset?

ChatGPTgpt-62 queries11/1/2026
Download run

Fan-out diagram

The searches the AI actually ran for this prompt.

SEED QUERY
What is the statistical variance between early ultrasound embryonic measurements and final due date accuracy when predicting spontaneous labor onset?
2 real searches · 1 real-search pass
first trimester crown rump length dating accuracy mean absolute error days spontaneous labor onset due date distribution studyGoogle ↗
OBSERVEDReason
spontaneous labor onset distribution gestational age relative to estimated due date 39 40 41 weeks study ultrasound datingGoogle ↗
OBSERVEDReason

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 / navigationalComparisonConsequenceReason100%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

Queries

2 queries · click a column to sort
Query / typeSearchIntentQuery classRouting formatClusterFreq ↓Weight
first trimester crown rump length dating accuracy mean absolute error days spontaneous labor onset due date distribution study
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1
spontaneous labor onset distribution gestational age relative to estimated due date 39 40 41 weeks study ultrasound dating
OBSERVED
Google ↗
AI Mode ↗
—Reason——1x
of 1