'Over-ripeness ovopathy, sex ratio increase and sex ratio reversal a challenging hypothesis for sex ratio modulation': An alternative interpretation | Zendy

W. H. James | Zendy

Open Access

'Over-ripeness ovopathy, sex ratio increase and sex ratio reversal a challenging hypothesis for sex ratio modulation': An alternative interpretation

Author(s) -

W. H. James

Publication year - 2004

Publication title -

human reproduction

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.446

H-Index - 226

eISSN - 1460-2350

pISSN - 0268-1161

DOI - 10.1093/humrep/deh190

Subject(s) - sex ratio , ripeness , sex reversal , male to female , biology , psychology , medicine , genetics , gene , ripening , population , food science , environmental health , retrospective cohort study

It is suggested here that Jongbloet has misinterpreted data on the variation of sex ratio with maternal age, social class, placental dysfunction, twinning and season. When all these matters are considered, it is not clear whether there is any truth in his supposition that male fetuses are generally conceived in suboptimal conditions. Finally, it is suggested that there is a circularity in his presentation of his concept of sex ratio 'reversal'.

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