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The Shettles Method is a child conception idea that is reputed to help determine a baby's sex. It was developed by Landrum B. Shettles in the 1960s and was publicized in the book How to Choose the Sex of Your Baby, coauthored by Shettles and David Rorvik. The book was first published in 1971 and has been in print in various editions ever since.
The Shettles method, first formally theorized in the 1960s by Landrum B. Shettles, proposes that sperm containing the X (female) chromosome are more resilient than sperm containing the Y (male) chromosome. The method advocates intercourse two to four days prior to ovulation.
A full bibliography of Shettles writings is available. [4] He was the developer of gamete intrafallopian transfer (GIFT), a breakthrough in fertility research Shettles developed the Shettles Method of sex selection that helps prospective parents conceive a child of the desired gender. To achieve this end, it utilizes a number of factors that ...
So, when you want to feel really, really good, try these expert-approved tips and techniques to take your self-pleasure sessions to the next level. 1) Change the position you masturbate in.
“The intensity of a male orgasm can be amplified by many factors,” says Dr. James Elist, M.D., a board-certified urologist who specializes in male sexual dysfunction and founder of Penuma.
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The typical scent from a male year-round is bitter and used to mark its territory. But the scent changes during mating season to something more pleasant — at least to the female lemurs — and ...
Male_Masturbation_with_Ejaculation_Video.webm (WebM audio/video file, VP8/Vorbis, length 1 min 15 s, 720 × 480 pixels, 851 kbps overall, file size: 7.6 MB) This is a file from the Wikimedia Commons .