Prenatal growth rate correlates with endocranial volume, and to the variation in the molars. The teeth can be an indicator both of the prenatal growth rate and the brain size. The teeth tell us that the hominids set apart from other apes long before the human species evolved.
人類の胎児成長率は脳サイズ相関してるだけでなく、臼歯のばらつきとも相関するらしい。つまり化石の臼歯を調べれば脳の大きさや胎児の成長率の見当がつき、いつ頃から人間の先祖が他の猿とは分岐したかわかるそうな
A study discovers a surprising relationship between the teeth and the evolution of pregnancy https://phys.org/news/2022-11-relationship-teeth-evolution-pregnancy.html