October 11, 2024
Is It Safe To Eat Corn During Pregnancy?

Corn, also known as maize, is a well-known whole grain extensively consumed worldwide. Yet, is it safe to eat corn during pregnancy and give in to your crunchy corn craving? The cereal is a good source of fiber, vitamins, antioxidants, and minerals, but all forms of corn may not be good for pregnant women. Read this post that discusses the value corn adds to your prenatal diet, possible risks, storage tips, and recipes.

Can You Eat Corn During Pregnancy?

Whether to eat corn during pregnancy or not?

Image: Shutterstock

You may eat corn during pregnancy but in moderate amounts, as it helps improve digestion, and supports immunity. But excessive consumption might lead to gastrointestinal symptoms such as indigestion.

Nutritional Value Of Corn

The nutrient density in 100g of raw corn are as follows (1):

Nutrient RDA (2)(3) Per 100g of corn
Total folate 600µg 46µg
Dietary fiber 28g 2.7g
Protein 60g (3) 3.22g
Carbohydrate 175g 19.02mg
Thiamine (vitamin B1) 1.4mg 0.2mg

What Are The Health Benefits Of Corn During Pregnancy?

1. Constipation

Corn is one of the best fiber-rich foods that might help foster digestive health and eradicate related problems, such as constipation, that you may experience during early pregnancy (4).

2. Macular degeneration

Corn contains a carotenoid substance called zeaxanthin that has oxidative properties. Zeaxanthin may help prevent macular degenerationiA progressive eye disease that affects central vision and can lead to blindness. of the eye (3) (5). However, further studies are needed to establish the carotenoids’iPowerful antioxidants found in fruits and vegetables that can protect against diseases and improve the overall health. role in preventing certain disorders that affect infants (6).

3. Birth defects

Corn has folic acid that is necessary during pregnancy to reduce the risk of spina bifidaiA congenital disorder where the spinal cord doesn’t fully develop, leading to physical and neurological complications. and other neural tube defects in the baby(7)

.

4. Muscle and nervous system

Corn contains thiamine which plays a role in energy metabolism and is essential for muscle and nervous system functioning (8) (9).

protip_icon Did You Know?
Maternal deficiency of vitamin B1 (thiamine) can damage the central nervous system in the fetus (17).

5. Immunity

The beta-carotene in corn provides vitamin A required for immune system functioning and baby’s development and healthy growth (10).

Possible Side Effects Of Overeating Corn When Pregnant

Potential side effects of corn may occur due to over-consumption.

  • According to one small group study in mice, intake of polyunsaturated fatty acids such as corn could alter the behavior and activity of the baby (11).
  • It may cause indigestion; therefore, it is better to have fresh corn in limited amounts. Wendy Lord, a registered dietitian and health and nutrition writer from Gauteng, South Africa, says, “Eating corn in excess can cause indigestion and other digestive problems. Overconsumption of corn also increases the risk of heart illness because it is a rich source of fatty acids. It can also result in unnecessary weight gain that can be problematic for women during or after the delivery.”
Corn during pregnancy may cause indigestion

Image: Shutterstock

From fresh raw corn to cooked and baked and popped, corn is available in a variety of edible forms. But are all of them good for you to eat during pregnancy?

Corn Products To Eat And Those To Avoid

Not all corn products may be safe during pregnancy. The following list can help you get an idea of what could be taken and avoided. However, it is not exhaustive.

Eat Avoid
Fresh corn from the cob (gluten-free) Microwavable popcorn (contain toxic chemicals, diacetyl, and perfluorooctanoic acid)
Labeled GMO-free corn Corn syrup (contains high-fructose sugars)
Organic corn (rich in nutrients) Cornstarch (non-food substance)
Plain popcorn (butter, salt, and caramel-free) Corn oil (full of fat and calories)
Frozen corn (contains fewer calories and less sodium) Canned corn (goes through a lot of processing)
protip_icon Research finds
High fructose corn syrup is used to sweeten food and beverages. However, a high fructose diet during pregnancy may lead to placental defects and fetal growth restriction (18).

So, how can you enjoy the allowed forms of corn in pregnancy?

Ways To Consume Corn During Pregnancy

Have corn as a snack

Image: IStock

You may have corn as a snack.

  • Sweet corn is a delicious addition to salads, soups, toast, and sandwiches.
  • Add to pizzas, pasta, and other dishes to enhance their taste.
  • Grill or barbecue the cob and eat corn directly from it.
  • Boil corn and add seasoning of your preference.

Choose the right variety of corn to enjoy the taste of these dishes.

Tips For Buying and Storing Corn

Picking the best fresh corn for pregnancy

Image: Shutterstock

Follow the below tips while buying corn:

  • Look for husks that are green in color.
  • Choose only fresh corn. You may check the freshness by pulling off the husk and piercing the kernel with a fingernail.
  • If the corn kennel is firm but soft and releases a little juice on being punctured, it is fresh. On the other hand, if it is discolored or dented, it is not.
  • Corn exposed to high temperatures can lose a bit of its sweet flavor, as the sugar gets converted to starch.
  • Let the corn remain in the husk; put it in the refrigerator.
  • If you have husked the corn, put it in a plastic bag, and refrigerate it.
  • If you want to eat fresh corn, eat it as soon as you bring it home.

Fresh corn has a certain appeal that might compel you to have more than what you should. And that can be a bad thing.

Is Craving Cornstarch During Pregnancy Related To The Pica Syndrome?

Craving cornstarch during pregnancy

Image: Shutterstock

Sometimes, you may crave for cornstarch during pregnancy. This might be because of a condition called the Pica Syndrome, which involves the craving of non-food substances such as clay, ice, dirt, and more (12). If you experience such symptoms, talk to your doctor.

Lord opines, “Cravings are normal in pregnancy; however, in some cases, craving corn means a woman is deficient in nutrients such as iron and vitamin A. Corn cravings can also occur during pregnancy as a result of hormonal imbalance.”

Why Is Microwave Popcorn Not Safe During Pregnancy?

You may want to avoid microwave popcorn for these reasons (13).

  1. They contain a chemical called diacetyl, which is used to imitate the butter flavor. The research shows that the workers at a popcorn manufacturing factory developed a lung disorder called bronchiolitis obliterans (popcorn worker’s lung) as they inhale this chemical every day for a long period.
  1. A toxic chemical called perfluorooctanoic acid, which is known to be found in the microwavable popcorn bags, breaks down upon heating. It is a carcinogeniA substance or agent that is capable of causing cancer in living organisms. and likely to cause several types of cancer.
protip_icon Caution
Consuming microwavable popcorn during pregnancy can cause developmental problems in the fetus (19).

Next, we answer a few common queries about eating corn during pregnancy.

1. Can you eat corn if you have gestational diabetes?

You may reduce corn consumption if you have gestational diabetes, as it is a moderate glycemic food (14). Low GI foods are likely to slowly and steadily release glucose, which might help in managing blood glucose levels (15).

2. Is overeating popcorn harmful during pregnancy?

Too much of anything is harmful. The same is the case with popcorn, as it may contain condiments such as butter, salt, or caramel. Excess of salt could lead to water retention, blood pressure fluctuations, and more, and excess of sugar could result in a host of other maternal health issues. Likewise, the excess butter might lead to fat and sodium level buildup in the body.

3. Does eating cornstarch during pregnancy cause amylophagia?

The compulsive eating of cornstarch in large quantities during pregnancy may lead to amylophagia, a form of pica disorder. The book Nutrition Through the Life Cycle by Judith E. Brown talks about its complications such as elevated blood sugar levels, preterm labor, abnormalities in baby development, and high birth weight.

4. Can corn cause weight gain during pregnancy?

Corn is rich in carbohydrates and nutrients and is a significant source of energy that may lead to weight gain during pregnancy.

5. Is eating undercooked corn on the cob dangerous for pregnant women?

It may not be dangerous to have undercooked corn on the cob. Prefer the organic variety and be careful not to have it in excess quantities.

6. What are some tips for cooking corn during pregnancy?

“The right way to cook corn is by adding it to the boiled water with some salt. The corn should be cooked for five to seven minutes and not more. Avoid overcooking the corn because it will make the kernels hard. Avoid adding too many artificial flavors and sweeteners to get the maximum benefits of corn. In pregnancy, fresh corn should be preferred over frozen and canned ones. However, you can store it in the refrigerator for a few days,” recommends Lord.

7. Is it okay to eat cornflakes during pregnancy?

Cornflakes in pregnancy are generally considered safe and can be a nutritious breakfast or snack option for expecting mothers. They are low in fat and contain high amounts of fiber, which can also help pregnant women keep their digestive system healthy and their weight in check (16).

Corn is a healthy snacking option that is loaded with fiber, vitamins, and minerals and helps the body by relieving constipation, enhancing immunity, and reducing the risk of congenital disabilities. However, you should be cautious while consuming corn during pregnancy as an excess may cause gastrointestinal issues. Moreover, all types of corn products are not good for pregnant women. You may consume fresh corn from the cob or plain popcorn, but you should avoid corn syrup or microwavable popcorn. If you feel uneasy after eating corn, check with your doctor.

Infographic: Why Have Corn During Pregnancy?

It is common to second guess most of your food choices when pregnant, as it also concerns your baby’s health. So, if you are a corn lover and are unsure about its benefits or safety during pregnancy, we suggest you give the following infographic a read. Here, we have included a few benefits of corn that you can keep a note of.

health benefits of corn during pregnancy (infographic)

Illustration: Momjunction Design Team

Key Pointers

  • Corn is a safe and nutritious food for pregnant women in moderation, as it contains fiber, vitamins, and minerals.
  • Consuming corn during pregnancy can provide immune support, aid digestion, and supply essential prenatal nutrients like folate, thiamine, and beta-carotene.
  • However, pregnant women should avoid high fructose corn syrup as it may cause fetal development limitations and placental abnormalities.
  • When buying fresh corn, it is important to look for green-colored husks and purchase corn that is soft, yet firm.
corn during pregnancy_illustration

Image: Dall·E/MomJunction Design Team

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Dr. Shikha Sharma
Celebrity nutrition advisor Dr. Shikha Sharma has founded Dr. Shikha’s Nutrihealth in 1998. Dr. Shikha has done her MBBS from Maulana Azad Medical College and holds 21 years of experience in the field of health and nutrition.

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    Wendy LordBSc, PG Dip Wendy Lord is a Registered Dietitian with over 20 years of experience. She did her BSc in Dietetics, and a postgraduate diploma in Dietetics And is an alumnus of the University of Natal, Pietermaritzburg.

    Wendy Lord is a Registered Dietitian with over 20 years of experience. She did her BSc in Dietetics, and a postgraduate diploma in Dietetics And is an alumnus of the University of Natal, Pietermaritzburg.
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