What should a pregnant woman eat and avoid to protect her own health and her baby's?
The healthy diet needed during pregnancy and the key nutrients, the foods and substances to avoid, and the lifestyle choices that affect the developing baby.
A focused CCEA GCSE Child Development answer on a healthy diet in pregnancy and the key nutrients, the foods and substances to avoid, and the lifestyle choices that affect the developing baby.
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What this dot point is asking
CCEA wants you to know what a healthy diet during pregnancy looks like and the key nutrients involved, the foods a pregnant woman should avoid, and the lifestyle choices that affect the baby. The message is "eat well and avoid harmful substances", because what the mother takes in passes to the baby through the placenta.
A healthy diet in pregnancy
The old saying "eating for two" is misleading: a woman does not need to eat double, but she does need a better-quality diet with the right nutrients. CCEA expects you to link each key nutrient to its job and a food source:
- Calcium (milk, cheese, yoghurt): builds the baby's bones and teeth and protects the mother's bones.
- Iron (red meat, green vegetables, fortified cereals): makes red blood cells and prevents the tiredness of anaemia.
- Protein (meat, fish, eggs, beans, lentils): builds the baby's cells and tissues.
- Folic acid (green vegetables, fortified cereals, supplement): reduces the risk of neural tube defects.
- Vitamin C helps iron absorption; vitamin D helps calcium absorption.
She also needs plenty of fibre and fluids to avoid constipation, which is common in pregnancy.
Foods and substances to avoid
A pregnant woman should avoid:
- unpasteurised milk and soft, mould-ripened cheeses (risk of listeria),
- raw or undercooked eggs and meat (risk of salmonella and other infection),
- pate and liver (very high in vitamin A, which can harm the baby),
- too much oily fish and any high-mercury fish, and
- too much caffeine (in tea, coffee and cola), which should be limited.
Lifestyle choices
What the mother does affects the baby, because substances cross the placenta:
- Smoking reduces the oxygen reaching the baby and raises the risk of low birth weight, premature birth, miscarriage and cot death.
- Alcohol can damage the baby's growth and brain and cause fetal alcohol syndrome, so the safest choice is none at all.
- Drugs (recreational and some medicines) can harm the baby, so a woman should always check with her doctor before taking anything.
- Gentle exercise and rest help the mother stay healthy and cope with the demands of pregnancy.
Examples in context
- Example 1. Choosing iron-rich foods to avoid anaemia
- A pregnant woman feels very tired, and her midwife finds her iron is low. She adds red meat, green leafy vegetables and fortified cereal, and has vitamin C-rich fruit with meals to absorb the iron better. This shows how diet directly supports the mother's health, the link CCEA wants.
- Example 2. Avoiding a soft cheese at a party
- At a buffet, a pregnant woman avoids the brie and the pate, choosing hard cheese and cooked options instead, because soft mould-ripened cheese and pate carry risks to the baby. This illustrates applying the "foods to avoid" rules in real life.
- Example 3. Giving up smoking for the baby
- A woman who smoked stops as soon as she plans a pregnancy, because smoking cuts the oxygen the baby receives and raises the risk of low birth weight and premature birth. This shows the direct link between a lifestyle choice and the baby's health.
Try this
Q1. Name the nutrient needed to build the baby's bones and teeth, and give one good food source. [2 marks]
- Cue. Calcium; milk, cheese or yoghurt.
Q2. Give two foods a pregnant woman should avoid and one reason why. [3 marks]
- Cue. Any two of: soft mould-ripened cheese, raw/undercooked eggs or meat, pate, liver; reason: risk of infection (listeria/salmonella) or too much vitamin A harming the baby.
Exam-style practice questions
Practice questions written in the style of CCEA exam questions on this dot point, with worked answer explainers. The year tag is the paper they imitate, not the source.
CCEA Unit 1 style6 marksDescribe three nutrients a pregnant woman needs and explain why each is important.Show worked answer →
Two marks per nutrient for naming it and explaining its role, up to six marks.
Calcium: needed to build the baby's bones and teeth, and to protect the mother's own bones. Good sources are milk, cheese and yoghurt.
Iron: needed to make red blood cells and prevent anaemia in the mother, and to build the baby's blood supply. Good sources are red meat, green vegetables and fortified cereals.
Protein: needed for the growth and repair of the baby's cells and tissues. Good sources are meat, fish, eggs, beans and lentils.
Folic acid (to reduce the risk of spina bifida) and vitamin C or D are also acceptable. Each nutrient must be linked to its role and ideally a source.
CCEA Unit 1 style4 marksExplain why a pregnant woman should avoid alcohol and smoking.Show worked answer →
Two marks for each substance for the effect on the baby, up to four marks.
Alcohol passes through the placenta to the baby, who cannot process it. It can damage the baby's growth and brain development and can cause fetal alcohol syndrome, so the safest choice is to avoid alcohol completely.
Smoking reduces the oxygen reaching the baby and exposes it to harmful chemicals. It can lead to a low birth weight, premature birth, and a higher risk of miscarriage and cot death.
Markers reward the link between the substance and a clear harmful effect on the developing baby.
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