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Pre-Pregnancy | Falling Pregnant

The Shettle’s Method Part II: How to Conceive a Girl

In the early 1960s, Dr. Landrum B. Shettles published a groundbreaking report on the distinctive characteristics of Y-bearing (boy-producing) and X-bearing (girl-producing) sperm. He asserted that the Y sperm are lighter in weight, swim faster, but die sooner—the X sperm are heavier, swim slower, but live longer. While this theory is often debated, it is typically considered more reputable than many old wives tales.

Thousands of couples have turned to the Shettles method for learning how to conceive a boy. And thousands have been blessed with the boy they hoped for. In fact, the properly applied Shettles method gives couples at least a 75 percent success rate.

In his book, How to Choose the Sex of Your Baby: The Method Best Supported by Scientific Evidence , Dr. Shettles  and David Rorvik discusses the issues which will help you learn how to conceive a boy. Some of the basic ideas are listed below, but you will need to purchase the book in order to get the full details.

How to Conceive a Girl

Determining the Time of Ovulation:

It is recommended that you have sex 2 ½ to 3 days before you ovulate in order to increase your chances of conceiving a girl. If you have sex closer to ovulation this will decrease your chances of conceiving a girl.

The timing of intercourse in relation to ovulation is a vital factor in increasing your chances of having a girl. There are three ways to know when you are ovulating.

  1. a. Charting Cervical Mucus

With this method of determining when you ovulate, you access your cervical mucus on a daily basis. Right before you ovulate, your cervical mucus should be very watery and very elastic.It’s consistency should be that of raw egg white. Charting for more than a month is recommended so you can be certain when you are ovulating.

  1. b. Basal Body Temperature (BBT) Charting

Shettles also suggests that you use BBT charting along with charting your cervical mucus in order to gain as much information as possible in order to pinpoint when exactly you are ovulating.In order to chart your basal body temperature ( BBT ), you will need to purchase a basal thermometer. Before you get up each morning, you will take your temperature before you do anything. Any activity can lead to innacurate temperature readings. At the time of ovulation, you will see a spike in your temperature which will indicate that you have already ovulated.

c.        Using Ovulation Predictor Kits

The final way Shettles recommends for finding out the exact time you are ovulating is by using ovulation predictor kits. These kits detect when your body has released LH (Luteinizing Hormone), a precursor to ovulation. Dr Shettles goes into depth in his book on how to read the ovulating kit. Ovulation kits are available in pharmacies, but these kits are expensive and may not be accurate for women with irregular cycles.

Sexual Position:

If you are trying to conceive a girl, shallow penetration from your partner, preferably with the missionary position, will deposit the sperm closer to the entrance of the vagina. This area is more acidic than closer to the cervix and acidity will work against the weaker “boy” sperm leaving more “girl” sperm available to fertilize your egg.

Frequency and Timing of Intercourse:

In order to increase the chances of having a girl, you should have sex everyday from the end of your period up to 2 to 3 days before ovulation. After this point, do not have unprotected sex until several days past ovulation.


It is recommended that you don’t orgasm during sex as the body produces substances after orgasm that makes the vaginal environment more alkaline, which favors the “boy” sperm.

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