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女性怀孕后, 胎盘分泌的某些物质有抑制胃酸分泌的作用, 能使胃酸显著减少, 消化酶活性降低, 并会影响胃肠的消化吸收功能, 从而使孕妇产生恶心欲呕, 食欲下降、肢软乏力等症状。由于酸味能刺激胃分泌胃液, 有利于食物的消化与吸收, 所以多数孕妇都爱吃酸味食物。
After pregnancy, some substances secreted by the placenta inhibit gastric acid secretion, can significantly reduce gastric acid, digestive enzyme activity decreased, and will affect the digestion and absorption of gastrointestinal function, so that pregnant women produce nausea, vomiting, loss of appetite, limbs Soft fatigue and other symptoms. Because sour can stimulate gastric secretion of gastric juice, is conducive to digestion and absorption of food, so most pregnant women love to eat sour foods.