Maternal stress and sex ratio at birth in Sweden over two and a half centuries: a retest of the Trivers-Willard hypothesis.

Hum Reprod · 2021 · PMC8648295 · PMID 34308475

Europe PMC DOI

hedged sentence

—

closest p

—

boldest claim

The sentences

a slightly increasing trendno p-value reported

A slightly increasing trend can be detected prior to 1950.

also in 801 other papers

Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.