Acidity during pregnancy or heartburn is a common symptom encountered by most women during their pregnancy in the second or third trimester. Eight out of ten ladies have heartburn, indigestion or acidity either during the beginning or latter part of their pregnancy due to hormonal and physical changes.Eat small but frequent meals- the thumb rule here is that instead of eating three full meals, try to eat 5-6 smaller meals. This prevents fullness, bloating, and other uneasy symptoms. Eat your food slowly, chewing properly and avoid gulping it down.Refrain from oily, fatty, fried food as this is a trigger for acid reflux and heartburn. Certain other additives like coffee, tea, sugar and carbonated drinks are also well known triggers.Avoid eating heavy meats, especially red meats, as they tend to aggravate the symptoms.Drink loads of water, but avoid drinking with food as it reduces the effectiveness of the gastric juices by diluting them. Rather, drink water between meals. Always stay hydrated and drink a minimum of 7-8 glasses of water a day. Have loads of fresh juices, smoothies and milk shakes. They are not only healthy, but help cut down acidity levels. Protein shakes are a good healthy alternative to stay hydrated.Eat at least an hour prior to sleeping. Do not sleep immediately after your food. Do not indulge in heavy meals for dinner.After your meals, chew gum as it stimulates saliva production which neutralizes the excessive acidity levels.Sleep with your head and shoulders propped up to avoid reflux of gastric contents. This also helps in breathing, as the growing uterus pushes upwards on the lungs too, leading to breathing difficulties in some.Maintain your weight and keep a tab on weight gain.