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Maternal nutrition


Nutrition and pregnancy refers to the nutrient intake, and dietary planning that is undertaken before, during and after pregnancy. Nutrition of the fetus begins at conception. For this reason, the nutrition of the mother is important from before conception (probably several months before) as well as throughout pregnancy and breast feeding. An ever-increasing number of studies have shown that the nutrition of the mother will have an effect on the child, up to and including the risk for cancer, cardiovascular disease, hypertension and diabetes throughout life.

An inadequate or excessive amount of some nutrients may cause malformations or medical problems in the fetus, and neurological disorders and handicaps are a risk that is run by mothers who are malnourished. 23.8% of babies worldwide are estimated to be born with lower than optimal weights at birth due to lack of proper nutrition. Personal habits such as smoking, alcohol, caffeine, using certain medications and street drugs can negatively and irreversibly affect the development of the baby, which happens in the early stages of pregnancy.

Caffeine is sometimes assumed to cause harm to the unborn baby but there is not enough evidence so say if this is true. A recent review showed that more research is needed to show whether caffeine intake effects birth weight, preterm births, gestational diabetes and other outcomes.

As with most diets, there are chances of over-supplementing, however, as general advice, both state and medical recommendations are that mothers follow instructions listed on particular vitamin packaging as to the correct or recommended daily allowance (RDA). Daily prenatal use of iron substantially improves birth weight, potentially reducing the risk of Low birth weight.

During the early stages of pregnancy, since the placenta is not yet formed, there is no mechanism to protect the embryo from the deficiencies which may be inherent in the mother's circulation. Thus, it is critical that an adequate amount of nutrients and energy is consumed.

Multiple micronutrient supplements taken with iron and folic acid can improve birth outcomes for women in low income countries. These supplements reduce numbers of low birth weight babies, small for gestational age babies and stillbirths in women who may not have many micronutrients in their usual diets. Undernourished women can benefit from having dietary education sessions and, balanced energy and protein supplements.

A review showed that dietary education increased the mother’s protein intake and helped the baby grow more inside the womb. The balanced protein and energy supplement lowered risk of stillbirth and small babies and increased weight gain for both the mother and baby. Although more research is needed into the longer term effects on the mothers’ and infants’ health, the short term effects look promising.


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