Pregnant women drinking soda in moderation will not affect the fetus, and it can also relieve pregnant women with excessive stomach acid. However, if long-term or large amounts of drinking soda can lead to lead to abdominal flatulence, or even partial alkalosis, affecting the growth and development of the fetus. Soda water, i.e. aqueous solution of sodium bicarbonate, is made by pressing carbon dioxide into purified drinking water, which is an ordinary beverage, and it has no effect on the fetus when pregnant women drink soda water in moderation. And soda has a weak alkaline, pregnant women in early pregnancy often pregnancy reaction, and accompanied by excessive stomach acid, this time moderate consumption of soda, to neutralize the stomach acid has some help. Although pregnant women can drink soda to relieve symptoms, but should not drink too much. Soda in the neutralization of stomach acid will also produce carbon dioxide, drink too much carbon dioxide, not easy to discharge resulting in abdominal distension and other uncomfortable symptoms, pregnant women as well as the fetus are adversely affected. If the liver and kidney function is relatively weak pregnant women, long-term or large amounts of drinking soda may also cause alkalosis, light anorexia, nausea, headache, heavy coma, seriously affecting the growth and development of the fetus. Pregnant women can drink soda in moderation, but do not often drink or drink a lot, while in the diet need to pay attention to nutritional balance and comprehensive.