Vitamin A During Pregnancy: Why And How Much Do You Need?

Vitamins and minerals play a crucial role during pregnancy. However, these vitamins should be taken in the recommended amount. Vitamin A is one such essential nutrient that should be cautiously consumed to avoid any risks to the mother and the baby.

MomJunction explains the importance of vitamin A during pregnancy, its recommended dosage, and toxicity effects. Keep reading for the details.

Importance Of Vitamin A

Vitamin A is required for healthy skin and vision, proper neurological functions and to prevent cell damage. A deficiency of this vitamin can lead to weak immunity, anemia and vision problems, especially during the night.

The vitamin is generally found in two forms :

  • Preformed vitamin A (also known as retinol): Animal products such as meat, fish, eggs, liver, and milk are rich in retinol.
  • Provitamin A carotenoids: It is mostly found in vegetables and fruits. Of the many carotenoids available naturally, beta-carotene is one that can be converted to retinol in the body.

The standard measurement for vitamin A is denoted by retinol activity equivalents (RAE). So,

1mcg retinol = 1mcg RAE, whereas,

12mcg beta-carotene or 24mcg alpha-carotene = 1mcg RAE

International unit or IU is another measurement unit used for vitamin A.

1IU of vitamin A = 0.3mcg of retinol = 0.6mcg of beta-carotene

So, how does the intake of vitamin A during pregnancy benefit you? Keep reading to know.

Why Do You Need Vitamin A During Pregnancy?

Vitamin A plays a vital role in maintaining the health of the mother and the baby. Here’s how it benefits (3):

  • Maintains homeostasis, which is retaining a stable environment inside the body.
  • Boosts immunity to fight the infections.
  • Essential for cell division during pregnancy.
  • Needed for fetal organ and skeletal growth as well as their maturation.
  • Required for the developing fetus and maintaining maternal vision, especially night vision.

Vitamin A Deficiency During Pregnancy:

By the third trimester of pregnancy, the developing fetus needs more nutrients, including vitamin A. A deficiency of vitamin A during pregnancy can lead to xerophthalmia, a condition associated with thickening of the cornea, which reduces tear production. This causes dryness and inflammation of the eyes. According to the WHO, about 9.8 million of the pregnant population suffers from this condition due to vitamin A deficiency.

It is essential to take vitamin A in the right amount, especially during pregnancy.

How Much Vitamin A Do You Need During Pregnancy?

According to the US National Research Council’s recommendation, a pregnant woman should consume 1000 retinol equivalents/ day .

  • 1000RE/day = 3300IU retinol or 5000IU of vitamin A (combination of retinol and beta-carotene)

The FDA’s recommended dietary allowance (RDA) for vitamin A is;

  • Pregnant women (14-18 years): 750mcg RAE/day
  • Pregnant women (19-50 years): 770mcg RAE/day

As per the Food and Nutrition Board (FNB) at the Institute of Medicine of the National Academies, the tolerable upper intake level (UL) for preformed vitamin A is:

Pregnant women (14-18 years): 2800mcg RAE/day (9333IU)

Pregnant women (19+ years): 3000mcg RAE/day (10000IU)

A dietary supplement of vitamins such as a multivitamin or a stand-alone supplement contains retinyl acetate or retinyl palmitate. The multivitamins generally have vitamin A in the range of 2,500–10,000IU, which is present in the form of retinol and beta-carotene.

Thus, a pregnant woman should not exceed the recommended intake of 10,000IU of vitamin A intake on a daily basis or 25,000 IU on a weekly supplement basis during pregnancy.

Also, a single dose of vitamin A exceeding 25,000IU is not recommended between day 15 and day 60 after conception.

Vitamin A Rich Food Sources

Here is the list of foods with vitamin A content, given in values per servings (5):

Spinach, frozen, boiled, ½ cup57311,458229
Beef liver, 3 ounces, pan-fried6,58222,175444
1 whole sweet potato, baked in skin1,40328,058561
Raw cantaloupe, ½ cup1352,70654
Mango, 1 whole, raw1122,24045
1 piece of

commercially prepared pumpkin pie

Carrots, ½ cup, raw4599,189184
½ cup red, sweet, peppers, raw1172,33247
Broccoli, boiled, ½ cup60120824
French vanilla ice cream, 1 cup, soft serve2781,01420
Apricots, dried, sulfured, 10 halves631,26125
Black-eyed peas (cowpeas), boiled, 1 cup661,30526
Atlantic, Herring, pickled, 3 ounces21973115
1 cup skim or fat-free milk, with added vitamin D and vitamin A14950010
Tomato juice, canned, ¾ cup4282116
Cheese, ricotta, part skim, 1 cup26394519
Hard-boiled egg, 1 large752605
1 cup baked beans, plain or vegetarian, canned132745
3 ounces of salmon, cooked, sockeye591764
Dry roasted, 1 ounce

of pistachio nuts,

Summer squash, boiled, all varieties, ½ cup101914
Low fat, plain, yogurt, 1 cup321162
Chicken, roasted, breast meat and skin, ½ breast5180
3 ounces of tuna, canned in oil, light, drained solids,20651
Ready-to-eat cereal, fortified with 10% of the DV for vitamin A, ¾–1 cup (heavily fortified cereals might provide more DV)127–14950010

Vitamin A can generally be obtained by the fruits and vegetables that you eat. Therefore, a supplement is not usually prescribed during pregnancy. However, you might have to take it in the case of deficiency

Do You Need Vitamin A Supplements During Pregnancy?

Preferably no. You can easily get enough of this vitamin from a healthy and balanced diet. If you take any prenatal vitamin supplement, then read its label to ascertain the vitamin A content in it.

You may take prenatal vitamins without vitamin A to prevent overdosing and consume a lot of naturally available beta-carotene foods to meet the required amount. However, in the case of vitamin A deficiency, the doctor will recommend the supplements.

If the supplements are ingested routinely, then it will exceed the recommended upper limit (10,000IU) causing adverse effects . Your doctor can guide you on how to use the supplements and if you should take or avoid the supplement during pregnancy.

Also, if you are planning for pregnancy, then make sure that you do not have the synthetic retinoids as they are potent teratogens, which can pose the risk of abnormalities during pregnancy. Talk to qualified medical personnel about the measures to prevent pregnancy while on synthetic retinoid medications and know when you can safely conceive after the discontinuation of the drug.

As discussed above, too much of vitamin A during pregnancy can lead to potential risks. The following section explains the risks of excess intake of vitamin A.

How Can Too Much Vitamin A Be Dangerous During Pregnancy?

A vitamin is a soluble fat that gets accumulated in the liver. An excess intake of preformed vitamin A can lead to toxicity, a condition known as hypervitaminosis A. The symptoms of this condition include :

  • Dizziness
  • Blurred vision
  • Vertigo
  • Muscular incoordination
  • Headaches
  • Vomiting
  • Nausea
  • Skin exfoliation
  • Weight loss
  • Fatigue

A birth defect, referred to as the retinoic acid syndrome, is reported due to the high intake of vitamin A. It results in craniofacial, cardiovascular, thymus, and central nervous system malformations . More than 1500mcg of preformed vitamin A a day reduces bone mineral density and increases bone fracture risk. However, beta-carotene is not considered to be teratogenic or toxic. So you can get as many carotenoids as you want naturally (from fruits and vegetables).

Next, we give you some easy tips to help you take no more than the recommended amount of vitamin A.

Tips For Consuming Vitamin A During Pregnancy

Here are some tips that prevent overdosing of vitamin A:

  • Ensure that the prenatal supplements that you take during pregnancy do not contain vitamin A.
  • Avoid eating beef liver or limit it to very small quantities as it is high in vitamin A content and you may end up with more than the recommended dosage during pregnancy.
  • Eat bright colored fruits and vegetables as they are rich in beta-carotene.
  • You can take a prenatal multivitamin that contains up to 4000 IU of vitamin A in the beta-carotene form .

But what about the vitamin A present in skin creams? Does that affect your daily recommended intake of vitamin A? Keep reading, and you’ll know.

Are Vitamin A Skin Creams Safe To Use During Pregnancy?

Synthetic retinoids like etretinate and isotretinoin (brand names Accutane or Roaccutane), which are mainly used for topical treatments, are high in preformed vitamin A (that includes retinyl palmitate and retinyl acetate). Using skin creams with these ingredients during pregnancy can lead to birth defects such as malformations of the skull, eyes, heart, and lungs.

Thus, before taking any prenatal vitamins or supplements or fortified foods, make sure to know the amount of vitamin A in it or consult your doctor. It helps avoid any excess intake of vitamin A.

Pregnancy is a delicate phase and needs to be handled carefully and cautiously. You need to be particular about the diet during this period and know how the nutrients can be beneficial or harmful for you. So always talk to your doctor before taking supplements when you are pregnant.

Garima Singh

Garima is following her dream and now writes on various topics about health, fitness, food, lifestyle, technology, latest trend full-time. Her favorite quote:
"A beautiful face will age and a perfect body will change ,but a beautiful soul will always be beautiful.."

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