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By Sarah Barker There are a lot of different theories and approaches to natural gender selection but very little scientific study. Female sperm are heavier and live longer than male sperm so if you have sex a few days before ovulation and then abstain while the male sperm die , this should increase the chances of conceiving a girl. Male sperm are lighter in weight and swim faster than female ones so are more likely to reach the egg. Therefore, having sex on the day of ovulation should increase the chances of conceiving a boy. Dr Landrum Shettles developed this theory in the US in the s. They were thought to be less likely to have sex at the time of ovulation, backing up the idea that conceiving four or five days before ovulation was more likely to produce a boy.
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8 Dominant Sex Positions For Women, Because Cowgirls Don't Always Get The Blues

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8 Dominant Sex Positions For Women, Because Cowgirls Don't Always Get The Blues

I like starting this way the most, so it has the added benefit of being associated with the feeling of first entry. There's nothing like slipping into her warm wetness down there. It makes me think there's a reason humans evolved to have sex this way. Plus, if I get too close to coming early, I can just think about the name of the position, and it keeps me from going over the edge. Missionary: sexy position, unsexy name.
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6 natural ways to choose your baby’s sex – and their success rates

Messenger Despite most parents ultimately just wishing for a healthy baby, there are many cultural and social factors that can drive the desire for a baby of a particular sex. The medical technology for sex selection of embryos has existed in Australia for many years, but such an option is only available for medical reasons, such as sex-linked chromosomal disorder. This leaves parents who do have a gender preference looking for natural ways of predetermining the sex of their baby.
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Concept[ edit ] According to the theory, male Y sperm are faster but more fragile than female X sperm. The Shettles method aims to exploit these two factors. Timing of Intercourse[ edit ] To have a boy, insemination should occur as close as possible to the moment of ovulation so that the faster, Y-sperm arrive first and achieve conception, according to the hypothesis. Sexual Position[ edit ] Shallow penetration coupled with the sperm deposited close to the 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.
From: Dajas(64 videos) Added: 31.08.2019 Views: 693
Category: Bondage

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Video сomments (10)
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