Thursday, March 12th, 2015
Gaining weight during pregnancy is inevitable—after all, your body is carrying another human—but moms need to be careful about packing on unneeded pounds or extra “baby weight.”
New research confirms that nearly half of women (47 percent) gain more than they should while pregnant, which can have a potentially negative impact on both the infant and mother.
Many professionals, including Dr. Karen Cooper, ob-gyn and director of the Cleveland Clinic’s Be Well Moms program, believe misconceptions are to blame. “Most women feel that pregnancy is the time when weight does not matter and it is an opportunity to eat as much as desired,” she said. “Most believe the myth that the weight will be lost quickly and easily after delivery.”
The study, which was published in the journal Obstetrics & Gynecology, collected information from more than 44,000 mothers who gave birth between 2010 and 2011. The women were separated into categories based on whether their body mass index (BMI) were deemed underweight, at a normal weight, overweight, or obese.
Only 32 percent of the study’s participants gained an amount that fell within the recommended guidelines for their weight category. According to Health Day, the “Institute of Medicine guidelines recommend gaining 25 to 35 pounds if normal weight at the start of pregnancy; 28 to 40 pounds if underweight; 15 to 25 pounds if overweight; and 11 to 20 pounds if obese at the start of pregnancy.”
The findings showed a direct relationship between high BMI and more weight gain during pregnancy than was recommended. Those who were overweight or obese prior to becoming pregnant were two to three times more likely to gain excess weight, than those at a normal weight.
Not only does a mother’s weight influence how large the newborn will be, but gaining too much weight can increase the risk of premature birth. The newborn is also more likely to develop conditions like hypertension and gestational diabetes, according to Dr. Cooper.
Experts do not recommend dieting during pregnancy, so it’s best to regulate your weight by making health-conscious choices when it comes to eating food and staying active—and to not let any weight worries get the best of you.
Caitlin St John is an Editorial Assistant for Parents.com who splits her time between New York City and her hometown on Long Island. She’s a self-proclaimed foodie who loves dancing and anything to do with her baby nephew. Follow her on Twitter: @CAITYstjohn
Image: Pregnant belly via Shutterstock
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New Research, Parenting News, Parents News Now, Pregnancy
Friday, March 28th, 2014
Women who have given birth four or more times are at increased risk for cardiovascular disease according to a new study. Compared to women who’ve had fewer pregnancies, in the study of more than 1,500 women, moms with more children showed increased evidence of plaque in the heart and thickening of arteries. More from American College of Cardiology:
Women who give birth to four or more children are much more likely to have evidence of plaque in their heart or thickening of their arteries – early signs of cardiovascular disease – compared with those having fewer pregnancies, according to research to be presented at the American College of Cardiology’s 63rd Annual Scientific Session.
While earlier studies have shown an association between several aspects of pregnancy – physiological changes, complications, number of pregnancies – and future heart disease risk, many questions remain about how pregnancy might affect cardiovascular risk. To better understand the potential link, researchers at the University of Texas Southwestern Medical Center set out to determine whether the number of live births is associated with early signs of cardiovascular disease.
“This is not a recommendation for women to only have two or three children,” said Monika Sanghavi, M.D., chief cardiology fellow, University of Texas Southwestern Medical Center, and lead investigator of the study. This is the first study to look at two markers of subclinical atherosclerosis – a gradual narrowing and hardening of the arteries that can eventually block blood flow and lead to stroke and heart attack.
“Our findings add to the growing body of evidence that the changes associated with pregnancy may provide insight into a woman’s future cardiovascular risk and deserves further attention.”
The study included 1,644 women from the Dallas Heart Study, a multiethnic population-based cohort, who had both self-reported information about the number of live births and relevant imaging study data available. The average age at the time of analysis was 45 years and slightly more than half of the women (55 percent) were African-American. Coronary artery calcium (CAC) scores were measured using computed tomography imaging and aortic wall thickness (AWT) by magnetic resonance imaging to determine whether or not women had evidence of subclinical atherosclerosis in the heart and artery walls. CAC was positive if it was greater than 10 and AWT was abnormal if it was greater than the 75th percentile for age and gender. These tests were done as part of standard subject participation in the Dallas Heart Study.
Using women who had two or three live births as a reference, women who had given birth to four or more children had an approximately two-fold increased risk of having abnormal CAC or AWT. This association remained even after adjusting for socioeconomic status, education, race and factors known to heighten the risk of cardiovascular disease. Women who had more babies were more likely to be older, Hispanic, have high blood pressure, higher body mass index and lower socioeconomic status.
Curiously, women who had zero or just one live birth were also more likely to show evidence of subclinical atherosclerosis – revealing a U-shaped relationship.
Authors say it is unclear why this might be the case. But Sanghavi and others speculate they may have captured some women in this group who have an underlying condition that prevents them from carrying a first or second pregnancy to term, which may also predispose them to cardiovascular disease or risk factors. For example, women with polycystic ovarian syndrome can have menstrual irregularities and trouble getting pregnant, but they may also have other health changes such as excess body weight, diabetes, high blood pressure or high cholesterol.
Pregnancy itself sparks a cascade of changes that can place more strain on a woman’s cardiovascular system. For example, the volume of blood being pumped through the heart increases by 50 percent. In addition, other physiological and metabolic changes occur (e.g., increased insulin resistance and higher cholesterol levels).
“Pregnancy has been called ‘nature’s stress test,’ and for good reason,” Sanghavi said. “It may also help identify women who are at increased risk [for heart disease], even though right now they may not have any risk factors.”…
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Image: Big happy family – a mother and seven children drawing a heart together at home via Shutterstock.
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New Research, Parenting News, Safety
Tuesday, November 19th, 2013
Women who have had bariatric surgery as a weight loss solution may face an elevated risk of some pregnancy complications, including giving birth to babies who have low birth weight and are born prematurely, a new study has found. More from The New York Times:
The authors of the research, published in BMJ, looked at roughly 15,000 births that took place in Sweden between 1992 and 2009, including about 2,500 among women who had had had weight loss surgery. On average, the women delivered about five years after the surgery.
After controlling for age, smoking and other factors that could influence pregnancy complications, the researchers found that 10 percent of children born to women who had undergone bariatric surgery were delivered prematurely, compared with 6 percent in the other group.
A similar pattern was found for low birth weight. Five percent of children born to mothers in the surgery group were small for their gestational age, compared with 3 percent in the other group.
The researchers speculate that the trends could be driven by deficiencies in vitamins and minerals, which occur after bariatric surgery and could affect fetal and placental growth.
Image: Pregnant belly, via Shutterstock
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