16/09/2026
🤰 Dangers of Shortage of Blood in Pregnancy
When people say a pregnant woman has “shortage of blood,” they usually mean anaemia, particularly a low haemoglobin (Hb) level. Anaemia means the blood does not have enough healthy red blood cells/haemoglobin to carry oxygen effectively.
Pregnancy naturally increases the body’s blood volume, so the haemoglobin concentration can fall somewhat through physiological haemodilution. However, significant anaemia needs evaluation and treatment.
🩸 Common causes of anaemia in pregnancy
The most common cause is iron deficiency, but other causes include:
* Folate deficiency
* Vitamin B12 deficiency
* Malaria
* Hookworm and other parasitic infections
* Blood loss
* Sickle cell disease and other inherited blood disorders
* Chronic infections or diseases
* Poor nutritional intake
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⚠️ Dangers to the mother
Significant untreated anaemia can cause:
1. Severe tiredness and weakness
The woman may feel unusually exhausted, weak or unable to perform normal activities.
2. Dizziness and fainting
Reduced oxygen delivery can cause dizziness, particularly when standing.
3. Shortness of breath
The heart and lungs may work harder to deliver enough oxygen.
4. Fast heartbeat
The heart may beat faster to compensate for reduced oxygen-carrying capacity.
5. Reduced ability to tolerate blood loss
This is particularly important during childbirth.
A woman with severe anaemia who develops postpartum haemorrhage (PPH) can deteriorate much more rapidly because she has less haemoglobin reserve.
6. Heart complications
Severe anaemia can place considerable strain on the heart and, in very severe cases, can contribute to heart failure.
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👶 Possible dangers to the baby
Significant maternal anaemia is associated with increased risks of:
* Preterm birth
* Low birth weight
* Fetal growth restriction
* Poor fetal oxygenation in severe cases
* Increased risk of stillbirth in severe or untreated cases
The risk depends on the severity, cause and duration of the anaemia.
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🔍 Symptoms to teach pregnant women
A pregnant woman with anaemia may have:
* Extreme tiredness
* Weakness
* Pale palms, lips or inside of the eyelids
* Dizziness
* Headache
* Shortness of breath
* Fast heartbeat/palpitations
* Poor concentration
* Feeling faint
Some women, however, may have no obvious symptoms, which is why antenatal blood tests are important.
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🧪 How is it detected?
Antenatal care commonly includes checking haemoglobin/full blood count.
The healthcare provider may investigate further to determine whether the anaemia is due to iron deficiency, malaria, nutritional deficiency, inherited blood disorders, blood loss or another condition.
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💊 How can it be prevented or treated?
Pregnant women should:
* Attend antenatal appointments.
* Take prescribed iron and folic acid regularly.
* Eat iron-containing foods such as meat, fish, eggs, beans, lentils and dark green vegetables.
* Combine plant sources of iron with vitamin-C-containing foods to improve iron absorption.
* Get tested and treated for malaria where appropriate.
* Follow recommendations for deworming where indicated.
* Seek assessment if they have bleeding or symptoms of anaemia.
Iron tablets should not simply be stopped because they cause nausea or constipation. The woman should discuss side effects with her healthcare provider so the regimen can be adjusted if necessary.
🚨 When is it an emergency?
A pregnant woman with severe weakness, difficulty breathing at rest, chest pain, fainting, very fast heartbeat, heavy vaginal bleeding, or reduced consciousness needs urgent medical assessment.
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❤️ Simple message for your antenatal women
“Blood is what carries oxygen to you and your baby. When your haemoglobin is too low, both you and your baby may be affected. Attend antenatal care, take your prescribed iron and folic acid, eat nutritious foods, and report symptoms or bleeding early.”
