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Having an upset stomach during pregnancy is common. This blog by Theralogix provides moms-to-be with tips on how to manage upset stomach, nausea, and constipation during pregnancy.

With up to 38% of pregnant women experiencing constipation and up to 80% experiencing nausea, having an upset stomach during pregnancy is not uncommon. These uncomfortable pregnancy symptoms can affect what you choose to (or what you can) put in your mouth.  It can be confusing to know what to do and make it difficult to manage your weight during pregnancy.

Read on for tips on how to manage your upset stomach during pregnancy. And as always, run any concerns and questions you have by your healthcare professional.

Pregnancy Symptom #1: Nausea

They call it morning sickness, but it can hit at any time of day. 70-80% of women struggle with nausea and vomiting, which can be miserable to deal with.

It may sound unappetizing, but eating something as soon as you wake up can help treat nausea. Some women even keep a box of crackers near the bed and eat a few before stepping a foot on the floor in the morning.

Certain nutrients may help with nausea during pregnancy.  For example, vitamin B6 (pyridoxine) has been shown to help with pregnancy-related nausea and morning sickness.  Up to 100 mg of vitamin B6 a day is considered safe.  Ginger may also help relieve nausea during pregnancy.

If your prenatal supplement seems to be contributing to nausea, experts recommend taking your supplement with food at night.

Pregnancy Symptom #2: Constipation

Your body changes a little bit every day while you are pregnant, and your growing uterus crowds your digestive system, slowing things down. Plus, changes in hormone levels, including rising progesterone levels and reduced motilin levels can lead to constipation.

It’s recommended to consume adequate fiber, at least 25 grams per day, and adequate water to keep your digestive tract running as smoothly as possible.

The Academy of Nutrition and Dietetics recommends these foods to boost fiber in your diet easily:

  • 1 large pear with skin, 7 grams
  • 1 cup fresh raspberries, 8 grams
  • 3 cups popcorn, 3.6 grams
  • 1 ounce almonds, 3.5 grams
  • ½ cup black beans, 7.5 grams
  • ½ medium avocado, 5 grams

The Institute of Medicine recommends having 91 ounces of water per day, with 20 percent coming from foods and 80 percent, or 72 ounces, coming from all beverages and plain water combined.

Exercise is also helpful in improving motility in your digestive tract. New Horizon’s Women’s Care recommends taking a brisk walk, bicycle ride, or swim at least three times per week for 20 minutes.

If you still do not see relief from constipation, speak to your healthcare professional about alternative treatments.

Barely able to eat anything? Your prenatal supplement can help.

Sure, a healthful diet is important, but it isn’t possible to get all of the nutrients you require for a healthy pregnancy from food alone. This is especially difficult when you have an upset stomach during pregnancy. A high-quality prenatal supplement can help you get the extra nutrients you and your baby need during pregnancy.

There are many different prenatal supplements on the market. It is important to find one that is easy for you to swallow and that you tolerate well. Look for these essential nutrients in your prenatal supplement:

Vitamin D3

Studies show that this vitamin is crucial to a healthy pregnancy. It helps develop your baby’s bone structure and promotes healthy blood pressure levels during pregnancy 

Since vitamin D is present in just a few food sources, including salmon, canned tuna and fortified milk, and orange juice, it’s recommended to get enough in your prenatal supplement. Research has shown that taking up to 100 mcg (4,000 IU) during pregnancy is safe and effective in achieving normal vitamin D blood levels.  


DHA, docosahexaenoic acid, is an essential fatty acid that is crucial for a healthy pregnancy and the development of the baby’s brain and eyes. 

You may be able to get the DHA you need by eating fatty fish, but many pregnant women eliminate fish intake during pregnancy to avoid consuming mercury. If you decide to include fish in your diet, the Monterey Bay Aquarium Seafood Watch site is a great place to do some research on the type of fish you plan to eat.


Choline is found in eggs, beef, soybeans, chicken, and mushrooms, and potatoes. It promotes your baby’s brain and neural tube development and helps prevent neural tube defects. Health experts recommend choosing a prenatal supplement with choline because hardly anyone gets enough of this crucial nutrient through diet alone. 


Your need for iodine increases during pregnancy. Iodine is an important nutrient for the growth and development of your baby; it supports neurological and psychological development and thyroid function. Health experts recommend getting at least 150 mcg in your prenatal supplement. Iodine can also be found in seafood and dairy products. 


Iron is essential to support the growing placenta and baby and support your red cell mass and plasma volume. During the second and third trimester, your iron needs to increase to 27 mg per day. Iron can be found in fortified grains, beans, lentils, and spinach but you will want to rely on a supplement to supply this increased need during pregnancy.

Because the quality of prenatal vitamins can vary, you should also look for USP or NSF certified prenatal supplements.  These third-party certifications guarantee that supplements are free from contaminants and that the contents are accurate and pure.

Upset stomach during pregnancy? Try this recipe!

Even though you may have an upset stomach during pregnancy, it’s important to have something to eat in the morning. Eating something in the morning can help alleviate nausea. Then, try to have small meals throughout the day.  This easy recipe can be eaten for breakfast or a light lunch, dinner, or snack.

This sandwich supplies a boost of fiber (12 grams!), which can help you get enough to alleviate constipation. What’s more, eggs are a terrific source of choline.  One large egg supplies roughly 147 mg choline!

While this recipe can help you toward your nutrient goals and may help with your upset stomach, remember that you will still need to take your prenatal supplement to ensure you are getting all of the required nutrients for a healthy pregnancy.

Egg Sandwich with Mashed Avocado and Tomato

Preparation Time: 11 minutes
Cooking Time: 7 minutes
Servings: 1


  • 1 egg
  • 1 dash black pepper
  • 2 slices whole grain bread
  • ½ avocado
  • 2 teaspoons olive oil
  • 1 dash salt
  • 1 small tomato, sliced


  1.  Coat a skillet with cooking spray for the fried-style egg.
  2.  Heat the egg on both sides until cooked through, sprinkle with pepper.
  3.  In a bowl, mash the avocado with the olive oil and salt.
  4.  Toast the bread and spread with the avocado, fill with the egg and tomato.
Nutrition Facts Per Serving: 438 calories, 16 grams protein, 40 grams carbohydrate, 24 grams fat, 4 grams saturated fat, 186 mg cholesterol, 12 grams fiber, 386 milligrams sodium
Healthy Pregnancy Breakfast

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