More than 25 years ago, Dr. Landrum Shettles devised a method that was meant to help couples conceive the gender of their choice; it is still being practiced today. He claims that couples who take his advice and practice his techniques will experience a 75-percent success rate with conceiving a boy, however there are studies which state otherwise. For this reason, it should be noted that these techniques are not guaranteed.
According to Dr. Shettles, the sperm responsible for the conception of boys, known as the "Y" chromosome, are smaller and faster than the "X" chromosome, the sperm responsible for the conception of girls which are larger, but slower. However the boy sperm tend to perish faster than the girl sperm, which is the basis of the methods Dr. Shettles has devised for increasing your odds for conceiving a boy.
Predicting Your Ovulation
Knowing when ovulation is taking place is the most important component when trying to conceive a boy. Having intercourse as close to ovulation as possible assists the faster moving boy sperm reach your egg before the slower moving girl sperm. When ovulation first occurs is when the greatest amount of cervical mucus is present; the mucus helps move the boy sperm toward the egg. There are a variety of methods you can use to predict your days of ovulation; once predicted, you should have intercourse 24 hours before and no later than 12 hours later. This not only gives the male sperm a greater chance at fertilizing the egg first, but decreases the chance that the slower moving female sperm will reach the egg at a later time.
Techniques for Predicting Ovulation
Begin checking your cervical mucus one to two months prior to your attempt to conceive your boy; this will allow you to take note of the changes that occur before ovulation takes place. Just before ovulation, your mucus will become watery and elastic, resembling an egg white. To check it, gently insert two fingers inside your vaginal opening. Once it changes, you know an egg is being released.
Taking your basal body temperature should be used in conjunction with checking your cervical mucus. To do this, you will need to check and chart your temperature every morning before getting out of bed with a basal thermometer. You need to chart your temperature for a period of two months prior to your attempts at conception to recognize the change in temperature, indicating ovulation. When ovulation occurs, your temperature will rise about a half a degree. It can be taken orally, vaginally or rectally, but you should use the same method every day to ensure accuracy. In addition, you need to take your temperature at the same time every morning to ensure your ovulation is accurately predicted.
Use Specific Positions
To give the male sperm the greatest chance at reaching the egg first, you need to combine deep penetration with your ovulation timing. The closer the male sperm is deposited to the cervix, the greater the chances it will reach the egg before the female sperm.
The position that provides the deepest penetration is rear entry, better known as "doggy-style". Once intercourse is complete, you should keep your hips elevated for approximately 20 minutes; this assists the male sperm in reaching the egg, preventing them from leaking out of your vagina.
Have an Orgasm
This may be the easiest part of the process, however it is important for you, the woman, to have an orgasm before your mate. During your orgasm, substances are produced that help create an alkaline environment for the male sperm. Because the male sperm have a shorter life-span than female sperm, an alkaline environment helps them survive for a longer period of time.
In addition, the contractions that occur during an orgasm help move the male sperm into the cervix, giving them a head start at fertilizing the egg when the egg is ready to be fertilized.
While the Shettles method is not guaranteed, your chances may be increased if you use all of the above techniques in combination with one another. Remember, timing is everything; unless you know when you are ovulating, the remaining techniques could very well be useless.