Shettles technique, intimate position, timing – genuine or old wives’ tales? We consider the technology behind the theories and exactly how well they may actually work.
There is a large number of various theories and methods to normal sex selection but almost no study that is scientific. As there’s no solid proof, medical experts warn against using them too really. Many people say there’s strong anecdotal evidence and that there’s no harm in attempting them, as not many practices are intrusive.
Here’s a round-up of the most extremely popular intercourse selection techniques around…
1 Timing of sex – Shettles theory & Billings Method
What’s the theory?Female semen are heavier and reside much much much longer than male semen therefore then abstain (while the male sperm die), this should increase the chances of conceiving a girl if you have sex a few days before ovulation and.
Male semen are much lighter and swim faster than female people so can be more prone to achieve the egg. Consequently, sex regarding the day of ovulation should raise the odds of conceiving a child.
Dr Landrum Shettles developed this theory in america when you look at the 1960s. It’s complemented by the Billings Method, which can be about timing intercourse all over persistence of genital mucus (whenever it is thin and clear for males, thicker and stickier for women). It is said that partners that way are apt to have men a lot more than girls.
What’s the success rate? Advocates claim 75% but there’s merely a small level of medical proof in the united kingdom to aid it.
Confusingly, another concept exists considering observations that partners that did live together before n’t conceiving had more girls.