Pregnant women are always supposed to eat more during the pregnancy to meet the nutrition needs both from the unborn baby and mother. But some mothers worry about that they will gain too much weight to eat for two during the period. However the latest studies show that the worry is necessary and need to be paid attention. Too much food and nutrition intake will contribute to hard weight loosing. It’s long known that mammals will have intestines enlarged during the first stage of pregnancy, but no reason for this is found to explain. The latest researches on this subject did find the reason but which is only limited in other animals not yet proofed in humans.
Scientists did the research on fruit flies, and it suggested that a hormone released after fertilization might be the reason, which will instruct intestines growing to a great extent and increasing energy absorption during pregnancy. Why fruit flies should be the replacement subject of the research? It’s because human genes contains many genes in flies, explained by the leading researcher of the study. And the hormones in flies work in the same way as it its counterpart in human bodies. Thus the studies on fruit flies for this matter are of great referring significance.
The hormone released after the fertilization in fruit flies is identified as juvenile hormone. It’s responsible for the increased energy absorption and intestines growth. Juvenile hormones begin to produce from the fertilization, and it will interact with the intestines growth. If the intestine growth is hindered by other biological activities, there will be less such hormone produced and fewer eggs will be made. Juvenile hormone is of similar function with human thyroid hormones.
Applying the theory to human bodies, it will be easy to explain that why it’s not necessary to eat for two during pregnancy and it’s hard for some women to lose weight after giving birth to babies. But it still needs time for scientists to confirm that metabolism policy during pregnancy also goes for humans. To avoid the embarrassing situation pregnant women can eat to a level that is enough to meet the nutrition needs of both her daily activities and the fetus development.
And after giving birth to the baby, food intake can be appropriately reduced to achieve weight recover. But all should be done under the instruction of doctors or nutritionists, as sometimes we may wrongly estimate the health condition.
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