Beyond IUI, IVF and ICSI - eshre
Beyond IUI, IVF and ICSI - eshre
Beyond IUI, IVF and ICSI - eshre
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<strong>IVF</strong> pioneer L<strong>and</strong>rum B. Shettles<br />
1970 – 2006 (6th edition)<br />
L<strong>and</strong>rum B. Shettles 1909 ‐ 2003<br />
Problems in previous research:<br />
Conflicting research results. Wilcox (1995):<br />
“For practical purposes, the timing of sexual intercourse in<br />
relation to ovulation has no influence on the sex of the baby”<br />
Unreliable estimation of time of ovulation<br />
However: Modern urinary LH‐based hometests<br />
determine ovulation very accurately<br />
A. Wilcox et al. N. Engl. J. Med. 1995<br />
Diet method: History<br />
• 1935 Herbst finds that sex<br />
ratio of Bonellia viridis is<br />
influenced by potassium.<br />
• 1967‐2007 Research on<br />
rats, sows, cattle:<br />
Sex ratio increases with Na, K intake, decreases<br />
with Ca, Mg.<br />
• 1975‐77 Retrospective diet surveys on mothers<br />
with at least 3 boys <strong>and</strong> on mothers with at least<br />
3 girls confirms this.<br />
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