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Eating For Healthy Pregnant Women

Published: Revised September 2004

This food advice for pregnant women gives serving size samples, and emphasises the importance of healthy eating for pregnant women. Cravings, fluids, folic acid, and listeria and healthy food choices are all covered, along with contacts for further information.

Eating well and doing moderate exercise during pregnancy is important for you and your baby.

Seek antenatal care as soon as you suspect you are pregnant.

Some pregnant women will have special nutritional needs. Ask your doctor or midwife to arrange for you to see a dietitian.

It is best to seek advice if you:
  • Are an adolescent (18 years or younger)
  • Have a medical condition affecting your eating, such as diabetes
  • Are having more than one baby, eg, twins or triplets
  • Are a vegetarian or vegan

Eat A Variety Of Foods

You need a variety of foods from the four food groups every day to provide for your growing baby as well as to maintain your own health.

Vegetables and Fruit


Eat at least five servings per day, at least three servings of vegetables and two servings of fruit. Only one serving of fruit or vegetable juice or one serving of dried fruit counts towards your total number of servings for the day.


Serving Size Samples


Vegetables


Fruits

Breads and Cereals

Choose at least six servings of breads and cereals each day; preferably wholegrain

Serving Size Samples

Milk and Milk Products

Pregnant women need milk and milk products for protein and calcium. You need extra calcium for your baby's growing bones and teeth, as well as your own.

Choose at least three servings of milk or milk products, preferably reduced or low fat, each day.

Milk and milk products provide New Zealanders with most of their calcium. If you do not eat these foods or eat very little of them, it is best to see your doctor or midwife about taking a calcium supplement.

Serving Size Samples

Lean Meats, Chicken, Seafood, Eggs, Cooked Dried Beans, Peas and Lentils

These give you protein, iron, zinc and other nutrients.

Choose at least two servings from this group each day.

Serving Size Samples

Keep Active and Eat for a Steady Weight Gain

In early pregnancy your energy (kilojoule or calorie) needs to increase by a small amount. You can expect to eat more food as the pregnancy progresses but this does not mean you need to "eat for two".

A good indicator of whether you are eating enough is appetite and a steady weight gain, especially after the first three months. A healthy weight gain during pregnancy is best for you and your baby.

While there is no exact healthy weight gain, thin women may need to gain more weight, overweight women less. Talk to your midwife or doctor if you are concerned about your weight gain.

Dieting during pregnancy is not recommended as it may result in a smaller and unhealthy baby, and it could also affect your health. Vigorous exercise is also not recommended.

The weight you gain during pregnancy goes to the baby, but also includes:


Regular moderate exercise such as walking, swimming and cycling helps strengthen your heart and lungs and gives you extra energy and strength needed for the birth.

Choose activities you enjoy which match your level of fitness. You may need more rest. Take time out for yourself. Ask your doctor, midwife or a physiotherapist about suitable activities.

Choose and Prepare Foods Low in Fat, Sugar and Salt

The best way to meet your extra needs is to choose foods from the four food groups. These are better sources of fibre, vitamins and minerals. When shopping, read labels and look for foods that are lower in fat, sugar and salt. If using salt, choose iodised salt.

Prepare foods low in fat, sugar and salt by:

Many fast foods, takeaways and snacks are high in fat, salt and/or sugar, for example, chocolate bars, muesli bars, potato chips, French fries, doughnuts, pies, sweets, fruit leathers, cordials and soft drinks. Save these for treats and eat only occasionally.

Snack Ideas

Drink Plenty of Fluids Every Day

Use your thirst as a guide. You will need at least 6-8 glasses each day.

Extra fluid may be needed during hot weather, after activity, or if you are vomiting or constipated. Water, reduced or low fat milk, diluted fruit juice or coconut juice from a fresh coconut are the best choices.

You may need to go to the toilet more often but do not cut down on your fluid intake because of this.

Some women become swollen and puffy, particularly in the hands and feet. Do not cut down on your fluid intake without consulting your doctor or midwife.

Coffee, tea and cola drinks contain caffeine. Herbal teas may contain caffeine or other substances which cause side effects.

Have no more than three cups of any of these drinks each day. Tea should not be drunk with meals. The tannins in tea mean you will not absorb the iron in the meal as well as you could. Go easy on soft drinks, cordials and diet drinks as these provide limited nutrients and may be high in sugar.

Alcohol Is Not Recommended

Your baby is sensitive to alcohol. The full effects of alcohol on your baby are unknown.

Alcohol, even in small amounts, will enter the baby's bloodstream, so whatever the mother drinks or eats the baby is having too. It could affect the development of your baby, especially the brain.

Being Smokefree Is Recommended

Smoking reduces the oxygen and food supply to the baby and can slow down growth and development.

Avoid smoky environments.

"Passive" smoking (inhaling smoke) has the same effect as smoking. Smoking mothers generally have more premature births and more underweight babies. A small baby does not mean an easier birth.


Eat Well to Cope With Pregnancy Symptoms

Nausea and vomiting are common during early pregnancy and this is often the first sign of being pregnant. This is referred to as "morning sickness" but may occur at any time of the day or night, especially when you are tired or hungry.

Do the best you can. Your extra nutrient needs are small during early pregnancy and this rarely causes any nutritional problems. However, if your vomiting is severe and you are unable to keep any food or fluids down, do seek advice from your doctor or midwife.


Cravings and Aversions

Most women experience strong likes and dislikes (cravings and aversions) for certain foods at some time during pregnancy. Providing you eat a variety of foods from the four food groups every day, cravings and aversions are unlikely to affect your pregnancy.

If you are experiencing problems with cravings, having other eating problems or are not able to eat a variety of foods, ask your doctor or midwife to arrange for you to see a dietitian.

Constipation

Constipation can occur because of hormonal changes causing your gut muscles to relax, together with the pressure from the growing baby.

Folic Acid

Folic acid is a vitamin and is needed for the formation of blood cells and new tissue. During early pregnancy your need for folic acid is higher.

Choose foods fortified with folic acid or naturally high in folic acid:

Lack of folic acid has been linked with birth defects such as spina bifida. The risk of having a child with these birth defects is very low.

The risk can be reduced by taking folic acid supplement (0.8mg) daily for four weeks before you might become pregnant through to 12 weeks after actually becoming pregnant. This supplement is available from pharmacists.

Supplements

Using vitamin and mineral supplements will not give you extra energy.

By choosing a variety of foods from the four food groups, supplements will not be necessary.
If you are taking any vitamin, mineral or herbal supplements, always let your doctor or midwife know. It is best to only take supplements when recommended by your doctor, midwife or a dietitian. Make sure they know you are pregnant.

Listeria

Listeria is a common bacteria which can cause food-related illness. In pregnant women this illness can cause miscarriage and stillbirth. All foods should be safely handled, stored and protected from cross contamination.

You can reduce the risk by:

Do not eat any of the following foods:

For More Information

You and your infant are entitled to receive free Well Child care in accordance with the Well Child Tamariki Ora National Programme. This includes advice and support with your own and your infant's nutrition requirements.

This programme is delivered from conception to 2-6 weeks after the birth of your infant by your Lead Maternity Carer (an obstetrician, midwife or general practitioner). From 2-6 weeks onwards your Well Child provider (Plunket, public health service, Maori or Pacific provider) will provide this care.

Talk to your Lead Maternity Carer or Well Child provider about other information you want to know.

Other organisations for information


Document availability

You can download this pamphlet in PDF format from the Ministry of Health's Health Education website.

Eating for healthy pregnant women (PDF, 107kB)


Related information

Maternity