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Can you choose your baby's sex?

Trying for a boy? Really want a little girl? Find out if it's possible to choose your babe's gender

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Originally published on TodaysParent.com June 10, 2010

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You know you have a 50/50 chance of having a boy or girl when you decide you’re ready to have kids, but did you know that there are actually a couple of natural methods to increase your odds of having one over the other? Here are a few methods you can try that have been around for generations. (Remember, there’s still a 50/50 chance you won’t get that precious pink bundle you’ve been hoping for; there’s no guarantee using these methods.)

Shettles
This is probably the most well-known method for attempting to choose your child’s gender. In the 1970s Dr. Landrum Shettles introduced his theory (in his book How to Choose the Sex of your Baby) which involved trying specific sexual positions and timing intercourse to a woman’s cycle.

Shettles says that if you want to have a boy, don’t have intercourse for four or five days prior to ovulation. Instead, it’s best to have sex as close to ovulation as possible; the Y-chromosome (male sperm) are faster, smaller and have a better chance of getting to the egg before the X-chromosome (female sperm).

Other ways to increase your odds of having a boy, according to Shettles:
• Try a position that allows for deep penetration. Shettles says that the closer the sperm is to the cervix the better (this way “boy” sperm are more likely to reach the cervix before they die — they have shorter life-spans than the “girl” sperm). The cervical fluid right around the cervix is also ideal for Y-chromosome sperm.

• Dads-to-be should wear loose-fitting underwear and pants because tight clothing can can kill sperm and the Y-chromosome sperm die quicker than the the X-chromosome sperm.

• Moms-to-be should have an orgasm because the secretions caused by orgasms are less acidic and more Y-chromosome-sperm-friendly.

To increase your odds of having a girl, according to Shettles:
• Don’t have sex on the day you ovulate. Instead, have intercourse two to three days before ovulation then abstain until a couple days after. Shettles says that having sex before ovulation will increase the chances that the X-chromosome sperm will be waiting to fertilize the egg when it’s released.

• Try a position that allows for shallow penetration (such as missionary or other positions that will leave sperm farther away from the cervix).

• Moms-to-be shouldn’t have an orgasm because the secretions caused by orgasms are less acidic, which benefts the “boy” sperm.

How effective is it: Shettles and followers claim there’s a 75% success rate using this method.

Read on for Whelan, Chinese and Old Wives' methods >

What do you think?

  • happy mama (not verified) says ....

    Shettles worked for us:) i am 21 weeks pregnant with a little brother for our 2 year old and we're very happy about it!

    • 20 December 2011