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Recent News and Articles on the Keywords: obesity + chances + conception  Related to the article below (Last Update: 5/5/2008)

Breakfast cereals boost chances of conceiving boys
New Scientist (subscription), UK - Apr 22, 2008
A survey of 740 pregnant women found that boys were slightly more likely if a women had high energy intake prior to conception, and that the individual food ...
Human reproduction Sugar and spice...
Economist, UK - Apr 24, 2008
New research shows a clear link between higher energy intake around the time of conception and the birth of sons?especially by mothers who eat cereals for ...
Recipe for a son starts with daily bowl of
Times Online, UK - Apr 23, 2008
Breakfasting on Shredded Wheat or cornflakes has been found to increase dramatically a woman?s chances of having sons instead of daughters. ...

AFP
Mother's diet can help determine sex of child: study
AFP - Apr 23, 2008
The women were split into three groups according to the number calories they consumed per day around the time of conception. Fifty-six percent of the women ...
Stock up on cereal if you want your baby to be a boy
Mail on Sunday, UK - Apr 22, 2008
A study published today in a respected science journal found that calorie intake at the time of conception significantly sways the odds of having a boy or ...
Source: Google News

Association of moderate obesity with a poor pregnancy outcome in women with polycystic ovary … -
D HAMILTON-FAIRLEY, D KIDDY, H WATSON, C PATERSON, … - BJOG: An International Journal of Obstetrics & Gynaecology, 1992 - Blackwell Synergy
... The association of obesity with a poor pregnancy outcome is ... therefore be advised
to lose weight before conception in order to improve their chances of a ...

[BOOK] Slim Chance in a Fat World: Behavioral Control of Obesity
RB Stuart, B Davis - 1972 - Imprint unknown

Obesity is a risk factor for early pregnancy loss after IVF or ICSI -
P FEDORCSAK, R STORENG, PERO DALE, TOM TANBO, T … - Acta Obstetricia Et Gynecologica Scandinavica, 2000 - Blackwell Synergy
... Nevertheless, obesity may be an independent risk factor for early pregnancy loss ...
to lose weight, since it may increase their chances for conception and for ...

Management of infertility -
DJ Cahill, PG Wardle - BMJ: British Medical Journal, 2002 - pubmedcentral.nih.gov
... 9 Extremes of weight loss or obesity reduce female fertility: even moderate obesity
(a body mass index of 25-30) reduces the chances of conception with most ...

ABC of subfertility: Extent of the problem -
A Taylor - BMJ: British Medical Journal, 2003 - pubmedcentral.nih.gov
... Obesity is also associated with an increased risk of miscarriage and ... discussion should
include things that may improve the chances of conception or increase ...

Prediction of chances for success or complications in gonadotrophin ovulation induction in … -
AG Mulders, MJC Eijkemans, B Imani, BCJM Fauser - Reproductive BioMedicine Online, 2003 - ingentaconnect.com
... Moreover, factors associated with obesity such as BMI, WHR or serum leptin
concentration also do not ... resistant patients have no chance of conception due to ...

Obesity May Impair Lactogenesis II 1 -
KM Rasmussen, JA Hilson, CL Kjolhede - Journal of Nutrition, 2001 - Am Soc Nutrition
... mating, rats will be heavier at conception than control ... chosen to give their infant
a chance to suckle ... be affected by the medical consequences of her obesity. ...

Cultural elaborations of obesity-fattening practices in Pacific societies
NJ Pollock - Asia Pac J Clin Nutr, 1995 - elecpress.monash.edu.au
... Obesity is a health concern of French Polynesian health authorities, with ... particularly
to young women at puberty, enhanced chances of conception, and thus ...
-

Obesity affects spontaneous pregnancy chances in subfertile, ovulatory women -
JW van der Steeg, P Steures, MJC Eijkemans, JDF … - Human Reproduction, 2008 - ESHRE
... pregnancy rates in subfertile ovulatory women. Key words: obesity/subfertility/
pregnancy chance/spontaneous conception. Introduction. ...

Funding Information
CME Medscape, M Connect, C Care, G Surgery, M … - journal.medscape.com
... Second, many studies dealt with obesity as a categorical variable. ... fertile women,
BMI was reported to be a risk factor for the chance of conception in the ...
-

Source: Google Scholar

Obesity hurts a woman's chances of conception

Last Updated: 2007-12-12 11:31:10 -0400 (Reuters Health)

CHICAGO - Obesity decreases the chances that a woman will become pregnant, and the more obese she is, the worse her prospects of conception, Dutch researchers said on Tuesday.

Researchers at the Academic Medical Center in Amsterdam looked at how obesity affects women who are still ovulating, but are having trouble with conception.

The study, published in the journal Human Reproduction, included more than 3,000 couples seen at 24 hospitals in the Netherlands between 2002 and 2004.

Dr. Jan Willem van der Steeg and colleagues looked at the relationship between fertility in these women and their body mass index, a ratio of weight to height. Women with a BMI of 30 or higher are considered obese.

The women had to be ovulating and have at least one working Fallopian tube and the men had to have a normal result on semen analysis.

The researchers found that women with a BMI of 30 or higher had significantly lower probability of becoming pregnant naturally, compared with normal weight women who had BMIs of between 21 and 29.

"In the case of a woman with a BMI of 35, the probability of spontaneous pregnancy was 26 percent lower, and in the case of a woman with a BMI of 40, it was 43 percent lower," van der Steeg said in a statement.

One reason for this may be the hormone leptin, which regulates appetite and energy expenditure and is secreted in fatty tissues.

"It is possible that obese women may have disturbed hormone levels, which decrease the chances of successful fertilization and implantation," he said.

Obesity is already known to disrupt ovulation, and the Dutch study now suggests it can lower pregnancy rates compared with women of normal weight.

However, the researchers did not track the timing and frequency of sexual intercourse, which may have affected the results. Some studies have shown that obesity is linked with less frequent sex and reduced sexual desire.

The researchers said the finding should be tested in further studies, especially given the rising rates of obesity.

"Owing to the fact that more women of child bearing age are becoming overweight and obese, this is a worrying finding," they wrote.

Copyright © 2007 Reuters Limited. All rights reserved. Republication or redistribution of Reuters content, including by framing or similar means, is expressly prohibited without the prior written consent of Reuters. Reuters shall not be liable for any errors or delays in the content, or for any actions taken in reliance thereon. Reuters and the Reuters sphere logo are registered trademarks and trademarks of the Reuters group of companies around the world.

 
 
 
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