Gastrointestinal Floatation Test

Japanese: 胃腸浮揚試験 - いちょうふようしけん
Gastrointestinal Floatation Test

…Under the Criminal Code, a fetus is considered a person when it is partially exposed to the outside of the mother's body while still alive, and under the Civil Code, it is considered a person when it is completely exposed. Whether or not the fetus has breathed is determined by a pulmonary flotation test (a test that utilizes the fact that air in the lungs floats on water) and a gastrointestinal flotation test (a test to determine whether or not air has been swallowed into the stomach and intestines). However, if the fetus is killed before taking its first breath or is born into a toilet and a foreign object is inhaled during the first breath, the lung flotation test will be negative even for live-born babies. On the other hand, if the fetus is severely decomposed, air is forcibly pumped into it through artificial respiration, or the lungs are frozen, the test will be positive even for babies who have not breathed. (3) Period of survival after birth The materials for making the judgment differ depending on the length of the period. …

*Some of the terminology used in reference to the "gastrointestinal flotation test" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…刑法上では胎児が生きた状態で母体外へ一部露出した時点をもって,民法上は全部露出した時点をもって〈人〉とみなしている。呼吸したか否かは肺浮揚試験(肺内に空気が入っていると水に浮くことを利用した試験),胃腸浮揚試験(胃腸内に空気を嚥下しているか否かの検査)によって判定するが,第1呼吸をする前に殺害されたり,便壺内へ産み落とされたときのように第1呼吸時異物を吸引した場合は生産児でも肺浮揚試験は陰性となり,一方,腐敗が著しかったり,人工呼吸で空気を強制的に送りこんだり,肺が凍結している場合は未呼吸児でも陽性となる。(3)生後の生存期間 期間の長短により判断資料は異なる。…

※「胃腸浮揚試験」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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