Where did Gender Swaying come from?
The theory came from the Shettles Method, created by biologist Landrum Shettles. He discovered that Y sperm (male producing) are smaller and faster and X-sperm (female producing) are larger and live longer. Also, that female sperm survives better in acidic environments, while male sperm swims better and more quickly in alkaline environments. His theory also includes that timing intimacy is very important, further away from ovulation (around to 2.5-3 days) more likely sway girl and timing intimacy near or close to ovulation more likely sway boy (Winder).
Last Edited: January 4, 2017
Bibliography
Winder, Kelly. "Shettles Method – Trying For A Boy Or Girl." Belly Belly. Belly Belly, 10 Nov. 2015. Web. 4 Jan. 2017. <https://www.bellybelly.com.au/conception/gender-selection-shettles-method/>.Last Edited: January 4, 2017
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