Infact
91 / 100
True

Twins can have different fathers, a phenomenon known as superfecundation.

Infact verdict: True (91/100).

The claims regarding twins having different fathers and the term 'superfecundation' are supported by multiple reliable sources. Heteropaternal superfecundation is a scientifically recognized phenomenon where twins can indeed have different fathers. This occurs when two eggs are fertilized by sperm from different men during the same ovulation period. The term 'superfecundation' accurately describes this process. The evidence from sources like McGill University and AlphaBiolabs confirms the validity of these claims.

September 22, 2026 Language: en 2 claims analyzed
How is this score determined? →

Individual claims

91
True Science
Twins can have different fathers.
Multiple reliable sources confirm that twins can have different fathers through a process known as heteropaternal superfecundation. This is a rare but scientifically documented phenomenon.
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 3 web sources confirm twins can have different fathers.
91
True Science
The phenomenon of twins having different fathers is called superfecundation.
The term 'superfecundation' is correctly used to describe the phenomenon where twins have different fathers. This is supported by reliable sources such as McGill University and Identilab.
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 3 web sources confirm the term 'superfecundation' for twins with different fathers.

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