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Trying to Conceive (TTC)
Reply to "Ensuring second child is a boy"
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[quote=Anonymous][quote=Anonymous][quote=Anonymous]Shettles techniques can’t hurt to try. Some probably make little difference; but some might. And combined, they have been shown to tip the scales. Stick to the diet and supplements, timing, and the rear-entry position most of all.[/quote] Central to the Shettles method is his theory that XX and XY sperm cells swim at different rates. This is only a theory as far as I know. But, it guides his further theories on positions for conception. In a nutshell, he posited that “shallow penetration coupled with the sperm deposited close to the cervical entrance favors female conception because the area is more acidic, which inhibits the weaker Y sperm, according to the hypothesis. To allow the Y sperm, which supposedly moves faster, to reach the egg first, use deeper penetration to deposit the sperm at the least acidic area near the uterus opening.” Again it’s only a theory, but it would not hurt to try.[/quote] The cervical entrance IS the uterus opening. Near the cervix = deep penetration, not shallow penetration. Wtf. I’m not convinced this Shettles lad actually knew enough about female anatomy to comment. [/quote]
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