eli5: Why are some pregnancy cravings so strange?
In: Biology
Building up the fetus and placenta requires a whole different set of nutritional requirements. The body passively catalogs all the nutrients from your diet. If your body lacks say a certain vitamin and the thing you eat containing high amounts of that vitamin is say, pickles, you will crave pickles.
If you eat a wide range of foods, it’s easier for your body to crave foods that easily sastify your nutritional needs. If your diet is limited or nutritionally poor, you get cravings for the limited selection your body knows about which may also be high in fats and sugars (fast food).
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