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Did You Know That Undergoing IVF Increases Your Odds Of Giving Birth To A Boy?

Wed, September 29, 2010 3:06pm EDT by 1 Comment

The results of a four-year study on fertility treatments revealed that women who undergo certain types of IVF give birth to more boys than girls. So maybe it’s not a surprise that Kelly Preston, who used IVF, is expecting a son?

Anyone who has struggled to conceive will tell you that it doesn’t matter if they have a boy or a girl. They just desperately want to have a healthy baby, which is why they’re often willing to undergo the painful process of in vitro fertilization. Now, new research has shown that women who undergo in vitro fertilization and have the embryo implanted in their womb five to six days after fertilization — as opposed to two to three days afterward — have an increased chance of giving birth to a baby boy.

Australian scientists studied 13,165 women who underwent the IVF procedure from 2002 to 2006. Those women gave birth to a total of 13,368 babies and the overall male ratio was 51.3 percent. That’s a gender ration of 128 boys for every 100 girls, compared to natural conception, which is 105 boys for every 100 girls. The commonly used method of IVF actually increases the odds of conceiving a male by almost five percent! But how? Male embryos appear to be better able to survive the process, although why is still unclear.

After 6 rounds of IVF, Celine Dion is pregnant with twin boys

Professor Michael Chapman of the University of New South Wales headed up the study. He feels that the methods used in fertility clinics are definitely manipulating the gender ratio. “If we can discover which techniques are responsible for the difference, and why, we may be able to ensure the sex ration returns to normal,” he says. But he’s also quick to point out that males may just be the stronger sex, right from the get-go. “It could be that fitter embryos are male and it may be the female embryos which fall away at the various hurdles,” adds the professor.

Celebrities Celine Dion and Kelly Preston are both pregnant, thanks to IVF and they’re both expecting boys, so it sure seems like there is something to this study. It actually took the singer six attempts before she got pregnant, but she’s now expecting twin boys, which shouldn’t come as a surprise to scientists. “It was physically and emotionally exhausting,” says singer Celine, 42. “These treatments were truly hard on my wife’s body. It wasn’t simple at all,” adds her husband Rene Angelil, 68.

Kelly Preston and John Travolta are expecting a baby boy with the help of IVF

Like Celine and Kelly, have you had any experience with IVF, HollyMoms? We’re curious to know if you have a bunch of boys or if you beat the odds and gave birth to a beautiful baby girl?

–Amy L. Harper