91
/ 100
True
The text describes an early pregnancy test using a fish called a European Bitterling, where its ovipositor protrudes when injected with a pregnant person's urine.
Infact verdict: True (91/100).
The claims about the European Bitterling being used as an early pregnancy test and its ovipositor protruding when injected with pregnant urine are supported by historical evidence. Multiple sources, including Wikipedia and other historical references, confirm that this method was indeed used before modern pregnancy tests were developed. The evidence is consistent and comes from reliable sources, leading to a high confidence in the factual accuracy of these claims.
How is this score determined? →Individual claims
91
True
History
One of the earliest pregnancy tests involved using a fish called a European Bitterling.
The claim is supported by historical evidence indicating that the European Bitterling was used in early pregnancy tests. Sources such as Wikipedia and other historical documents confirm this practice, providing a high level of confidence in the claim's accuracy.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
40
Source Quality Score
85
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
91
Evidence Summary
Multiple web sources confirm historical use of European Bitterling in pregnancy tests.
91
True
Science
The European Bitterling's ovipositor will protrude if injected with a pregnant person's urine, indicating a positive result.
The claim is corroborated by historical accounts and scientific descriptions of the European Bitterling's use in pregnancy testing. Reliable sources such as Wikipedia confirm the biological reaction of the fish to pregnant urine, supporting the claim's validity.
Fact Check Score
None
Fact Check Weight
0
Web Consensus Score
90
Web Consensus Weight
40
Source Quality Score
85
Source Quality Weight
20
Llm Reasoning Score
80
Llm Reasoning Weight
40
Llm Reasoning Score Raw
80
Weighted Total
91
Evidence Summary
Multiple web sources confirm the biological reaction of European Bitterling to pregnant urine.
