- A dictionary of medical eponyms

Haase's formula

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Formula for indicating the age of a human foetus or a newborn from its length. According to this, the body length in centimetres the first 3 to 5 months of the pregnancy corresponds to the square of the age in months, and in the second half of pregnancy the age in months multiplied by five. The formula is only conditionally useful in forensic purposes to establish the age of a foetus.

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