Vitamin D Pregnancy First Trimester

It is important for Vitamin D during pregnancy to build a strong foundation for your baby. It has been proven that women who have enough vitamin D in their bodies while pregnant have healthier children and lower risk of preterm delivery, high blood pressure and preeclampsia.

Pregnancy is an important time to get enough vitamin D, since it’s needed for healthy bone and tooth development. But too much can be dangerous for you and your baby. Find out when to start taking vitamin D, how much to take, and if there are any alternatives. The first trimester of pregnancy is the time when your baby’s body is formed, which makes it an important time for vitamin D. Even with daily supplementation, there is a chance that you may be deficient in this essential vitamin. Our prenatal support has the highest-quality source of vitamin D to help ensure both you and your baby have everything you need, with no added sugars or other unnecessary ingredients.

This is the first trimester of pregnancy, when you have a heightened level of vitamin D because your body is gearing up to nourish a growing baby. Right now is an ideal time to increase your intake of vitamin D-rich foods and sun exposure, both of which are essential for optimal bone growth as well as healthy fetal development. Vitamin D also helps prevent some chronic diseases in mothers and babies by regulating insulin resistance and reducing inflammation1. If you’re like many pregnant women, your doctor may have told you to take vitamin D. The evidence is mounting that vitamin D can help boost your immune system and protect against upper respiratory infections during pregnancy.

How Much Vitamin D First Trimester

At the first trimester of pregnancy, here is how much Vitamin D you need to consume daily. It’s important to know your vitamin D requirements during pregnancy. Vitamin D is crucial for the growth and development of your baby’s bones, immune system, muscles, and heart. Since your body produces it naturally when exposed to sunlight, many people think that there’s no need to get more from food or supplements—but this isn’t true.

Vitamin D can help prevent pre-term births, a leading cause of neonatal mortality. In fact, studies show that women who are deficient in vitamin D are twice as likely to deliver when they are not ready than those with adequate levels of the nutrient. You need vitamin D for your bones and teeth. Your baby needs it when she is developing in utero. If you don’t get enough, your baby may be born with rickets — a condition in which bones are soft and grow improperly. Getting enough vitamin D can also help prevent asthma and diabetes later in life, according to the National Institutes of Health.

Vitamin D is a fat-soluble vitamin, meaning that it requires fat in order to be absorbed. There are two forms of vitamin D that are important for bone and overall health: vitamin D2 and vitamin D3. Vitamin D2 is also referred to as ergocalciferol, whereas vitamin D3 is called cholecalciferol. The two forms are not biologically identical, so check labels carefully!

What Is The Best Vitamin D To Take While Pregnant

While pregnant, you may wonder what the best vitamin d to take while pregnant. Vitamin D is vital to the health of both you and your developing baby. It helps your body absorb calcium, which is essential for your baby’s growing skeleton, teeth and muscle tone. Getting enough vitamin D is important while pregnant, but it can be hard to know what the best vitamin D supplements are. Many prenatal vitamins will include some amount of vitamin D, but it might not be enough if you don’t spend much time outdoors in the sun. Choosing a vitamin D supplement that gives you all the benefits of vitamin D without unwanted additives is key to staying healthy and energized throughout your pregnancy.

Eating a healthy, varied diet in pregnancy will help you get most of the vitamins and minerals you need.

But when you’re pregnant, or there’s a chance you might get pregnant, it’s important to also take a folic acid supplement.

It’s recommended that you take:

  • 400 micrograms of folic acid every day – from before you’re pregnant until you’re 12 weeks pregnant

This is to reduce the risk of problems in the baby’s development in the early weeks of pregnancy.

It is also recommended that you take a daily vitamin D supplement.

Do not take cod liver oil or any supplements containing vitamin A (retinol) when you’re pregnant. Too much vitamin A could harm your baby. Always check the label.

You also need to know which foods to avoid in pregnancy.

Where to get pregnancy supplements

You can get supplements from pharmacies and supermarkets, or a GP may be able to prescribe them for you.

If you want to get your folic acid from a multivitamin tablet, make sure the tablet does not contain vitamin A (or retinol).

You may be able to get free vitamins if you qualify for the Healthy Start scheme.

Find out more about the Healthy Start scheme.

Folic acid before and during pregnancy

It’s important to take a 400 micrograms folic acid tablet every day before you’re pregnant and until you’re 12 weeks pregnant.

Folic acid can help prevent birth defects known as neural tube defects, including spina bifida.

If you did not take folic acid before you conceived, you should start as soon as you find out you’re pregnant.

Try to eat green leafy vegetables which contain folate (the natural form of folic acid) and breakfast cereals and fat spreads with folic acid added to them.

It’s difficult to get the amount of folate recommended for a healthy pregnancy from food alone, which is why it’s important to take a folic acid supplement.

Higher-dose folic acid

If you have a higher chance of your pregnancy being affected by neural tube defects, you will be advised to take a higher dose of folic acid (5 milligrams). You will be advised to take this each day until you’re 12 weeks pregnant.

You may have a higher chance if:

  • you or the baby’s biological father have a neural tube defect
  • you or the baby’s biological father have a family history of neural tube defects
  • you have had a previous pregnancy affected by a neural tube defect
  • you have diabetes
  • you take anti-epilepsy medicine
  • you take anti-retroviral medicine for HIV

If any of this applies to you, talk to a GP. They can prescribe a higher dose of folic acid.

A GP or midwife may also recommend additional screening tests during your pregnancy.

Find out about epilepsy and pregnancy.

Vitamin D in pregnancy

You need 10 micrograms of vitamin D each day and should consider taking a supplement containing this amount between September and March.

Vitamin D regulates the amount of calcium and phosphate in the body, which are needed to keep bones, teeth and muscles healthy. Our bodies make vitamin D when our skin is exposed to summer sunlight (from late March/early April to the end of September).

It’s not known exactly how much time is needed in the sun to make enough vitamin D to meet the body’s needs, but if you’re in the sun take care to cover up or protect your skin with sunscreen before you start to turn red or burn.

Vitamin D is also in some foods, including:

  • oily fish (such as salmon, mackerel, herring and sardines)
  • eggs
  • red meat

Vitamin D is added to some breakfast cereals, fat spreads and non-dairy milk alternatives. The amounts added to these products can vary and might only be small.

Because vitamin D is only found in a small number of foods, whether naturally or added, it is difficult to get enough from foods alone.

Do not take more than 100 micrograms (4,000 IU) of vitamin D a day as it could be harmful.

You can get vitamin supplements containing vitamin D free of charge if you’re pregnant or breastfeeding and qualify for the Healthy Start scheme.


There have been some reports about vitamin D reducing the risk of coronavirus (COVID-19). But there is currently not enough evidence to support taking vitamin D solely to prevent or treat COVID-19.

If you have dark skin or cover your skin a lot

You may be at particular risk of not having enough vitamin D if:

  • you have dark skin (for example, if you’re of African, African Caribbean or south Asian origin)
  • you cover your skin when outside or spend lots of time indoors

You may need to consider taking a daily supplement of vitamin D all year. Talk to a midwife or doctor for advice.

Iron in pregnancy

If you do not have enough iron, you’ll probably get very tired and may suffer from anaemia.

Lean meat, green leafy vegetables, dried fruit, and nuts contain iron.

If you’d like to eat peanuts or foods that contain peanuts (such as peanut butter) during pregnancy, you can do so as part of a healthy, balanced diet unless you’re allergic to them or your health professional advises you not to.

Many breakfast cereals have iron added to them. If the iron level in your blood becomes low, a GP or midwife will advise you to take iron supplements.

Vitamin C in pregnancy

Vitamin C protects cells and helps keep them healthy.

It’s found in a wide variety of fruit and vegetables, and a balanced diet can provide all the vitamin C you need.

Good sources include:

  • oranges and orange juice
  • red and green peppers
  • strawberries
  • blackcurrants
  • broccoli
  • brussels sprouts
  • potatoes

Calcium in pregnancy

Calcium is vital for making your baby’s bones and teeth. 

Sources of calcium include:

  • milk, cheese and yoghurt
  • green leafy vegetables, such as rocket, watercress or curly kale
  • tofu
  • soya drinks with added calcium
  • bread and any foods made with fortified flour
  • fish where you eat the bones, such as sardines and pilchards

Vegetarian, vegan and special diets in pregnancy

A varied and balanced vegetarian diet should provide enough nutrients for you and your baby during pregnancy.

But you might find it more difficult to get enough iron and vitamin B12.

Talk to a midwife or doctor about how to make sure you’re getting enough of these important nutrients.

If you’re vegan or you follow a restricted diet because of a food intolerance (for example, a gluten-free diet for coeliac disease) or for religious reasons, talk to a midwife or GP.

Ask to be referred to a dietitian for advice on how to make sure you’re getting all the nutrients you need for you and your baby.

Find out more about healthy eating if you’re pregnant and vegetarian or vegan.

Healthy Start vitamins

You may be eligible for the Healthy Start scheme, which provides vouchers to buy milk and plain fresh and frozen fruit and vegetables at local shops.

A safe source of vitamin D during pregnancy is essential, but it’s important to know the risks for both you and your unborn child. This guide will address the risks of taking vitamin D in pregnancy, as well as what to look for when choosing a prenatal vitamin.The best vitamin D is 10,000 IU. The recommended daily allowance for pregnant and breastfeeding women is 600-800 IU. Vitamin D toxicity can occur in high doses of 30,000 IU or more.

While it is still not known exactly what the effects of vitamin D supplements are on a developing fetus, many experts advise pregnant women to take a prenatal vitamin when they’re in their first few months of pregnancy. In addition to calcium and folic acid, these vitamins contain iron and other nutrients that are essential for your developing baby’s growth.

It’s never been easier to take a high-quality vitamin D3 supplement. That’s because our Vitamin D3 tablets are in a convenient and easy-to-use form—softgels. That means they’re easily swallowed and digested (unlike some other forms of vitamin D), plus they’re enteric coated for maximum absorption, so your body can use them more efficiently.

Low Vitamin D Pregnancy First Trimester

Low vitamin D levels during pregnancy can cause your baby to be born with a low vitamin D level, making them more likely to develop rickets (#). Vitamin D supplements can help give your baby the nutrients she needs for a healthy start in life.

Low vitamin D levels in pregnancy are associated with an increased risk of preeclampsia and gestational diabetes, lower birth weight and size, bone mass in the baby, and C-section delivery. Pregnant women should take a vitamin D supplement during their first trimester, say researchers from the University of Colorado who found that low vitamin D levels in the mother at the beginning of pregnancy increased the risk of having a child with autism. But a new study suggests that folic acid supplements should be taken just before and during pregnancy to prevent birth defects, but probably not beyond the first trimester.

Vitamin D is key for your baby’s healthy development in the womb. If you are pregnant and your vitamin D levels are low, it can cause problems such as pre-eclampsia and gestational diabetes. If you’re pregnant or planning to become pregnant and vitamin D deficiency is a concern, your doctor should test your level of vitamin D and supplement with it if necessary. Vitamin D is essential for healthy bones and teeth. It’s also helpful for preventing cancer, heart disease and autoimmune diseases. In addition, research shows that it may reduce the risk for preeclampsia and gestational diabetes. Despite these benefits, many pregnant women don’t get enough vitamin D in their diets. Vitamin D deficiency can impair fetal development, leading to birth defects like osteopenia and rickets as well as miscarriages and preterm delivery.

Does Vitamin D Cause Miscarriage

Vitamin D is crucial for a healthy pregnancy, but some studies suggest it can cause miscarriage. It’s worth treating yourself with vitamin D supplements, but talk to your doctor before you take them. Women who took Vitamin D supplements during early pregnancy were found to have a greater chance of miscarriage. The study also did not find any association between increasing vitamin D intake and other pregnancy complications, such as birth defects.

Vitamin D may reduce risk of miscarriage and some birth defects, plus it may help boost fertility. Vitamin D, or calcidiol, is a fat-soluble vitamin found in foods and made by the body after exposure to sunlight. The vitamin is important for healthy bones, muscles, nerves and heart. One study did find that low levels of vitamin D were associated with an increased risk of having a miscarriage. However, more research needs to be done before any conclusions can be made about how vitamin D affects pregnancy.

Yes. Vitamin D deficiency is linked to an array of health problems, including an increased risk for miscarriage. A lot of women don’t know this, so it’s important to be aware of the connection between vitamin D and fertility. Vitamin d deficiency has been linked to a number of illnesses, including depression and osteoporosis. Some researchers have also suggested that vitamin d deficiency may also be linked to miscarriage.

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