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How to Conceive a Boy

Understanding the Shettles Method

For the past two decades, countless couples have relied upon the Shettles Method to influence the sex of their baby. When used properly, the Shettles method can lead to a success rate between 75 and 90 percent!

Throughout his book, Dr. Landrum Shettles gives couples techniques to promote the conception of a boy. While the basic outline of the method is below, Dr. Shettles’ book is much more thorough.

The Shettles Method is premised on the idea that boy sperm are smaller in size and less robust but are quicker than girl sperm. The recommendations below derive from this understanding.

Timing Ovulation

When you want to increase your chances of having a boy, it is best to have intercourse 24 hours prior to ovulation and no more than 12 hours after ovulation. If you have intercourse too far in advance, you will decrease chances of having a boy.

There are three primary ways to time your ovulation properly, including:

1. Cervical Mucus Charting

Charting cervical mucus daily is essential to track ovulation. Prior to ovulating, cervical mucus will be elastic and much more watery than usual, resembling raw egg whites. You should chart your cervical mucus for more than a month to increase your chances of predicting ovulation properly.

2. Charting Your Basal Body Temperature (BBT)

When used in conjunction with charting your cervical mucus, you can greatly increase your chances of having a boy. To chart BBT, you need a basal thermometer. You will use this thermometer each morning directly after waking up and prior to doing anything else. Your body temperature will increase after ovulation. Because you’re looking to know when ovulation occurs, it’s important to chart this for a few months before you begin trying to get pregnant. This will help you determine the right times to have intercourse.

3. Ovulation Predictor Kits

One final way to determine your time of ovulation is through the use of predictor kits. The kits are designed to measure when luteinizing hormone, or LH, has been released. This is important because it shows you when ovulation is about to occur. Testing should ideally occur twice daily to best determine the time that this occurs. The best times to test are once between 11 a.m. and 3 p.m. and once between 5 p.m. and 10 p.m. Once a positive result is acquired from your kit, ovulation will occur approximately 24 hours later.

Timing Intercourse and its Frequency

As was mentioned above, the best time to have intercourse if you want a baby boy is no more than 24 hours before ovulation and no later than 12 hours after ovulation has occurred. Boy sperm will reach the egg more quickly near ovulation because the cervical mucus becomes slippery and less acidic, providing a favorable environment for the boy sperm.

Position During Intercourse and Orgasms

Deep penetration is ideal for conceiving a boy, especially if you have intercourse in the “doggy position” since it will place the sperm close to the cervix.

Orgasms during intercourse should be embraced when trying to conceive a boy because the vaginal environment will become more alkaline following the orgasm, a fact that is favorable to the boy sperm. Additionally, an orgasm will help the boy sperm move up into the cervix and toward the ovum.

Male Considerations

Heating up the testes lowers sperm count, so males should always wear boxers to lower the temperature of the testes. Additionally, caffeinated beverages can help make boy sperm more active, so one should be consumed right before intercourse.


Last modified: March 7, 2014


The information provided here should not be considered medical advice. It is based on the average experience of women trying to conceive and may not be what you may be experiencing. It's not meant to be a replacement for any advice you may receive from your doctor. If you have any concerns about your cycle or our ability to get pregnant, we advise you to contact your doctor.