Parental obesity

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Maternal obesity refers to obesity (often including being overweight) of a woman during pregnancy. Parental obesity refers to obesity of either parent during pregnancy.

Maternal obesity has a significant impact on maternal metabolism and offspring development.[1] Insulin resistance, glucose homeostasis, fat oxidation and amino acid synthesis are all disrupted by maternal obesity and contribute to adverse outcomes.[1] Modification of lifestyle is an effective intervention strategy for improvement of maternal metabolism and the prevention of adverse outcomes.[1]

Obesity is defined as having a Body Mass Index (BMI) of 30 or greater. A 5-foot-5-inch tall woman would be considered obese if she weighs 180 pounds or more and a 5-foot-8-inch tall woman would be considered obese if she weighs 200 pounds or more.[2]

Effects on the fetus

Defects/ impairments

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Between 18 and 38% of pregnant women of American women are classified as obese. However, little is known about the link between maternal obesity and diabetic effects in offspring. Maternal obesity is associated with increased odds of pregnancies affected by congenital anomalies, including neural tube defects and spina bifida.[3] The chances of having neural tube defects in the newborn of an obese woman has been shown to be twice that of a non-obese pregnant female.[4] Some other anomalies that were increased among mothers with obesity included septal anomalies, cleft palate, cleft lip and palate, anorectal atresia, hydrocephaly, and limb reduction anomalies. Babies are also more likely to be admitted to neonatal intensive care units because of effects from the obese mother. Each year, nearly 2,500 babies are bornTemplate:Where with these defects, and many other affected pregnancies end in miscarriage and stillbirth.[3]

Mental or physical effects on the fetus

Maternal obesity is linked with elective preterm delivery, neonatal death, and delivery of an extremely low birth weight infant. In follow-up studies of babies whose birth weights were below 1000g, it was shown that 40% to 45% of the survivors had severe neurodevelopmental impairments.[5]

It has been demonstrated through a study on rats that when a pregnant mother ate a diet rich in fat, sugar, and salt, that mother's offspring was more likely to overeat and have a preference for junk food. Even when the offspring were not given the option of junk food, their bodies metabolized food differently than offspring whose mother ate healthier. Offspring of mothers who ate badly had higher levels of cholesterol and triglycerides in their bloodstream and higher risk of heart disease. In addition, these offspring had higher levels of glucose and insulin, which indicate development of type 2 diabetes. The rats were studied through adulthood and were found to be fatter than the offspring whose mothers ate healthier. This study showed that the diet of mothers not only affects the offspring's chemical physiology but also their likelihood of becoming even more unhealthy through their natural preference to bad habits.[6]

Paternal obesity effects on the fetus

Researchers from the NIH's National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) conducted a study and found that early-onset paternal obesity is connected with an increased risk of liver disease in their kin. Researchers found that obese fathers had an elevated level of serum alanine aminotransferase (ALT), a liver enzyme, compared to fathers who were not obese. They did a secondary analysis that excluded obese offspring. Children who were a normal weight but had obese fathers still had elevated ALT levels, which indicated that a child's ALT levels are not dependent upon the child's own BMI.[7]

Obesity effects on the mother

Disease

Obese women have an increased risk of pregnancy-related complications, including hypertension, gestational diabetes, and blood clots.[2] Maternal obesity is also known to be associated with increased rates of complications in late pregnancy such as cesarean delivery, and shoulder dystocia.[8] In addition, morbidly obese women who have not had children before are at increased risk of all–cause preterm deliveries. It is well recognized that obese women are at increased risk of preeclampsia and that women who have never been pregnant are at higher risk of preeclampsia than women who have had children in the past.[8]

Effects of negative diets

Poor glycemic control can lead to neural tube defects. The usual increase in insulin resistance seen in late pregnancy is enhanced in obese mothers, causing an postprandial increase in glucose, lipids, and amino acids, as well as excessive fetal exposure to fuel sources.Template:Clarify This, in turn, increases fetal size, fat storage, and potential risk for disease. For mothers, impaired glucose tolerance and hyperlipidemia are more common among obese mothers.

Modifying the risks

There are many options available in treating obesity, such as: altering one's diet and exercising regularly. Moderate forms of exercise, such as walking, can lead to healthy weight loss. Some people who are obese turn to gastric bypass surgery in order to reduce their appetites. It is always advised to consult a physician regarding any obesity treatment.

It is recommended that obese women should try to lose weight before becoming pregnant, yet women should not diet during pregnancy because sufficient nutrition is important for pregnant women and women planning pregnancy. Women with gastric banding can have normal pregnancies and better outcomes than women who do not have the surgery, but in most cases, doctors have agreed that pregnancy should wait until surgery-related weight loss has stabilized. Clinicians have been encouraged to talk to women who are pregnant or may become pregnant about getting enough folic acid, quitting smoking, and avoiding alcohol. Women are also recommended to have appropriate calorie intake and exercise adequately.

Nutrition recommendations

Pregnant women who ate more sweets, such as candy and processed juices, in early pregnancy were at higher risk of gaining excessive weight. A healthy, well-balanced diet during pregnancy can also help to minimize some pregnancy symptoms such as nausea and constipation.[9]

Exercise recommendations

During pregnancy, doctors recommend light exercise. Doctors state that exercise can help the comfort of the mother and the well-being of the unborn child. Some benefits include, but are not limited to: reduced back pain, decrease in constipation, less likely to gain excess weight, decreased chance of gestational diabetes, easier labor, quicker recovery, and better physical and emotional health of the baby.[10]

If negative signs and symptoms occur after exercising, pregnant females should stop immediately. Some signs include: dizziness, faintness, headache, shortness of breath, uterine contractions, vaginal bleeding, fluid leaking, or heart palpitations.

References

Metabolic.jpg

Featured disease

Metabolic syndrome is a cluster of the most dangerous heart attack risk factors: diabetes and prediabetes, abdominal obesity, high triglycerides, low HDL cholesterol and high blood pressure.

Affects one in three adults

Affecting about 35 percent of all adults in the United States according to the CDC, metabolic syndrome contributes to weight gain, by causing a state of internal starvation called metabolic starvation. This in turn leads to increases hunger, sugar cravings and increased portions leading to overeating and weight gain.

Cause and effect misunderstood

Since we traditionally thought that the portion control (which in turn was attributed wrongly to poor will power)is the cause of weight gain, rather than the effect of this metabolic starvation, all our traditional ideas about cause and effect of obesity were not only wrong but lead to the “blame the victim” attitude when it comes to obesity.

Secret of weight gain revealed

Secret of weight gain, and metabolic syndrome revealed - it has been recently proven that metabolic syndrome, and the weight gain itself are caused by a process called insulin resistance. Check your metabolic syndrome risk using the free Metabolic syndrome meter. Watch this amazing Ted Med video that reveals the secret of weight loss - Stop blaming the victim for obesity



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