As the saying goes, "sour and spicy girl", is there any scientific basis for this sentence?

This is just a rumor circulating among the people, and there is no scientific basis. Many pregnant women tend to eat sweet and sour foods during pregnancy, mainly because sweet and sour foods can stimulate the appetite of pregnant women, regardless of the sex of the fetus.

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Some pregnant mothers often want to eat sour food such as sour plum, sour grape and waxberry when they are pregnant, so as to relieve the discomfort caused by the symptoms of early pregnancy. Sour food can increase appetite, so pregnant mothers can eat some sour food. ?

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It is worth noting that acidic food can really promote the appetite of pregnant mothers, but it should be noted that hawthorn is also an acidic food, which is in danger of slipping, and pregnant mothers cannot eat it.