Vegan During Pregnancy: Benefits, Risks, and Nutrition Tips

When a person is vegan, it means they do not eat animal products, such as meat, poultry, eggs, dairy, or fish. Today, more and more people are switching to this kind of lifestyle or shifting towards the vegan diet for various reasons (1). A vegan diet for a pregnant woman has always been a topic of debate due to the fear that mothers excluding non-vegan items like eggs and dairy could have nutritional deficiencies, which could impact the growth and development of the growing baby as well as the mother. Whether your core values align with veganism or you follow it for the trend, we suggest looking into the relationship between a vegan diet and pregnancy before becoming vegan when pregnant. Read this article on a vegan diet during pregnancy and share it with fellow pregnant women who are also exploring different diet styles.

Is a Vegan Diet Safe During Pregnancy?

Your body requires a wide variety of nutrients from food to sustain a healthy pregnancy. If your body is able to meet all the nutritional requirements from the vegan diet and the use of fortified foods or supplements, you can safely follow it during pregnancy. You need to create a diet plan in such a way that it contains all the nutrients that are required for your good health and also for the baby’s development (2) (3).

Why Choose a Vegan Diet During Pregnancy?

A planned vegan diet can bring numerous benefits to the mother and the baby. Here are some of them:

• Healthy pregnancy: A carefully planned vegan diet can provide adequate nutrition during pregnancy and may offer health benefits. However, meals need to be varied and intentionally planned to meet the increased nutritional needs of both mother and baby.
• Provide plenty of fibre: Vegan diets commonly include vegetables, fruits, whole grains, legumes, nuts and seeds. These foods can provide substantial amounts of dietary fibre and are generally lower in saturated fat than many diets containing animal products. A nutrient-rich eating pattern may also help support healthy pregnancy weight management as well as reduce the risk of preeclampsia (4) (5).
• Reduce the risk of excessive pregnancy weight gain: Research examining vegan diets during pregnancy has found that women following vegan eating patterns may be less likely to experience excessive gestational weight gain. However, the available evidence is still limited, and more high-quality research is needed before drawing firm conclusions.
• Developmental issues: Vegan diets are also known to reduce the risk of certain developmental issues in the baby by preventing DNA damage (3).

Risks of a Vegan Diet While Pregnant

A vegan diet, if followed with complete discretion during pregnancy, can meet all the nutritional requirements of a pregnant woman. However, there are risks of several nutritional deficiencies that may arise due to not eating eggs, meat, and dairy.

• Vitamin B12 is usually available in higher amounts in animal products, which is a very important nutrient required for a healthy pregnancy. Failure to meet the Vitamin B12 requirements during pregnancy could lead to neural birth defects, impaired cognitive development in babies, gestational diabetes, and miscarriage (6) (7) (8).
• Pregnant women who do not consume animal products are at an increased risk of developing iron deficiencies or anaemia. Anaemia may lead to developmental or cognitive delays, low birth weight babies, pre-term babies or other such pregnancy complications.
• According to a report, plant-based diets have a low content of essential micronutrients, fatty acids, calcium, and iodine, and omega-3 fatty acids (EPA and DHA). These two omega-3s are essential for the development of a baby’s brain, eyes, and nervous system (9).
• A majority of women fall short on vitamin D levels during pregnancy, and a vegan diet may further increase this deficiency if specific vegan foods containing vitamin D are not included in the diet. Vitamin D deficiency during pregnancy could lead to miscarriage, preeclampsia, and low birth weight (10) (11).

A vegan diet is not the villain; you can get sufficient amounts of nutrition from a vegan diet if carefully planned. Doctors may also suggest supplements to compensate for the nutrients lost when following a vegan diet during pregnancy.

Nutrients That Need Special Attention in a Vegan Diet

There have been no studies suggesting that a vegan or vegetarian diet may lead to pregnancy-related complications or an unhealthy pregnancy. However, here are some nutrients that need your special attention if you are following a vegan diet:

1. Calcium

It is mostly obtained from milk, cheese, and other animal products. Here we have some vegan options that you may like to consider.

Why You Need It: Calcium is important for the development of foetal bones, heart, muscles and nerves.

How Much You Need: Approximately 1000 mg per day

Dietary Sources:

• Tofu
• Fortified orange juice
• Soy milk
• Green leafy vegetables

2. Protein

Eggs and dairy are some of the best sources of protein. Some vegan protein pregnancy options and why you need protein are mentioned below.

Why You Need It: Protein is essential for the hormone and cell development of your baby.

How Much You Need: Approximately 75 grams on a daily basis

Dietary Sources:

• Chickpeas
• Quinoa
• Split or green peas
• Pistachios, walnuts, cashew nuts
• Tofu
• Oatmeal
• Kidney, navy, black beans

3. Iron

Iron is essential for a woman in order to have a healthy pregnancy.

Why You Need It: The need for red blood cells increases during pregnancy to support the growing baby and your pregnant body. Any kind of deficiency may lead to anaemia, which can further complicate your pregnancy or your unborn baby’s health.

How Much You Need: Approximately 26 mg on a daily basis.

Dietary Sources:

• Barley
• Quinoa
• Soy products
• Beans
• Dried fruits
• Pumpkin seeds
• Seaweed
• Spinach

4. Vitamin D

This vitamin plays a vital role in preventing preterm labour or birth infections.

Why You Need It: It helps in the formation or building of foetal bones and teeth.

How Much You Need: Approximately 4000 IU daily

Dietary Sources:

• Fortified cereals
• Fortified soy milk
• Fortified orange juice
• Vitamin D is something that you can get through sun exposure, too.

5. Vitamin B12

This vitamin is needed in very small amounts but plays an important role in foetal development.

Why You Need It: It aids in foetal brain development, building of the genetic material and the formation of foetal RBC or red blood cells.

How Much You Need: On average, you need 2.5 mcg per day.

Dietary Sources:

• Fortified cereals
• Fortified soy milk (which contains Vitamin B12)
• Nutritional yeast

6. Zinc

You should include several servings of this mineral to pep up your vegan pregnancy nutrition.

Why You Need It: It helps in the formation of your baby’s cells and DNA. It also aids in tissue growth and cell division.

How Much You Need: Your daily diet should include approximately 7 mg.

Dietary Sources:

• Wheat germ
• Nuts
• Seeds

7. Iodine

Iodine is essential for you and your baby.

Why You Need It: It helps in the development of your baby’s nervous system and brain. It also helps in the regulation of your baby’s metabolism.

How Much You Need: Approximately 150 mcg daily.

Dietary Sources:

• Iodised salt
• Dried seaweed

8. DHA or Docosahexaenoic Acid

The main sources of this acid or omega-3 fatty acid are fish and fish oil.

Why You Need It: It is beneficial in the development of your baby’s brain and nervous system.

How Much You Need: On an average 300 mg per day.

Dietary Sources:

• Omega-3 fatty acid supplement that is derived from vegan algae.

Here we acquainted you with some important vegan pregnancy vitamins, minerals, and other essential nutrients that you should include in your daily pregnancy diet.

Healthy Vegan Pregnancy Meal Plan

Here’s a sample vegan meal plan for a week that includes nutritious meals that help with pregnancy:

Guidelines for a Healthy Vegan Diet in Pregnancy

Follow these guidelines for a healthy vegan diet pregnancy:

• Ensure that you take your prenatal vitamins regularly.
• You should consume a diet that contains all the vitamins, minerals, and other nutrients in adequate amounts.
• Refrain from consuming alcohol and smoking.
• Do not consume caffeinated beverages or limit their intake.
• Visit your healthcare practitioner on a regular basis to ensure that there is no kind of nutritional deficiency.

FAQs

1. Can a vegan diet provide enough protein required during pregnancy?

Yes. Legumes, tofu, tempeh, soy foods, nuts, seeds and whole grains can contribute protein. Eating a variety of these foods throughout the day can help meet pregnancy protein needs.

2. Can vegan moms-to-be take supplements?

If you feel that you may not be able to fulfil your body’s nutritional needs with your vegan diet, you can take supplements. However, you should check with your practitioner before you take these supplements. Sometimes animal products may be used as binding agents in these supplements, so check for the same on the label. Do not take more than the required amounts of multivitamins or any other supplements, as overdosage may prove harmful for your unborn baby.

3. Can a vegan diet affect my baby’s growth?

Not necessarily, but nutritional adequacy matters. A 2024 systematic review found limited and heterogeneous evidence and reported lower birth weight in some studies of vegan pregnancies, highlighting the need for adequate nutrient and energy intake and further research.

It is important to let your OB-GYN know if you are following a vegan diet, as she can advise you to eat certain foods or take certain supplements accordingly. Take care of your nutritional requirements and enjoy your vegan pregnancy diet!

Also Read: 

Super Foods Pregnant Women
Vegetarian Diet during Pregnancy
Foods to Eat & Avoid in First Trimester

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Sources References

1. National Library of Medicine – Vegetarian nutrition: past, present, future

2. National Library of Medicine – Vegan-vegetarian diets in pregnancy: danger or panacea? A systematic narrative review

3. National Library of Medicine – Plant-Based and Plant-Rich Diet Patterns during Gestation: Beneficial Effects and Possible Shortcomings^1,2

4. National Library of Medicine – Dietary fiber, potassium, magnesium and calcium in relation to the risk of preeclampsia

5. National Library of Medicine – Diets rich in vegetables and physical activity are associated with a decreased risk of pregnancy induced hypertension among rural women from Kimpese, DR Congo

6. National Library of Medicine – Maternal vitamin B12 in pregnancy and risk of preterm birth and low birth weight: A systematic review and individual participant data meta-analysis

7. National Library of Medicine – How prevalent is vitamin B(12) deficiency among vegetarians?

8. National Library of Medicine – Vitamin B-12 and Perinatal Health^1,2,3

9. National Library of Medicine – The Effects of Vegetarian and Vegan Diet during  Pregnancy on the Health of Mothers and Offspring

10. National Library of Medicine – Vitamin D during pregnancy and maternal, neonatal and infant health outcomes: a systematic review and meta-analysis

11. National Library of Medicine – Maternal vitamin D deficiency increases the risk of preeclampsia