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Causes of Anemia During Pregnancy

Learn about the common causes of anemia during pregnancy, its effects on mother and baby, and how to prevent and manage it with diet, supplements, and regular check-ups.

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Written by Dr. D Bhanu Prakash

Reviewed by Dr. M L Ezhilarasan MBBS

Last updated on 13th Jan, 2026

Anemia During Pregnancy

Pregnancy is a beautiful journey, but it also brings many changes to a woman’s body, including an increased risk of anemia. Anemia occurs when your blood lacks enough healthy red blood cells to carry oxygen to your tissues and your growing baby. If you're pregnant and feeling unusually tired or weak, you might be experiencing anemia.

Let’s explore the common causes of anemia during pregnancy, how it affects you and your baby, and what you can do to manage it effectively.

What Causes Anemia During Pregnancy?

Anemia during pregnancy can happen due to several reasons. The most common causes include:

1. Iron Deficiency (Most Common Cause)

Iron is essential for making hemoglobin, the protein in red blood cells that carries oxygen. During pregnancy, your body needs double the amount of iron to support your baby’s growth and your increased blood volume. If your diet lacks iron-rich foods or your body doesn’t absorb enough iron, you may develop iron-deficiency anemia.

2. Folate (Vitamin B9) Deficiency

Folate (or folic acid) is crucial for preventing birth defects and producing healthy red blood cells. Since pregnancy increases folate requirements, a deficiency can lead to megaloblastic anemia, where red blood cells become abnormally large and ineffective.

3. Vitamin B12 Deficiency

Vitamin B12 helps in red blood cell formation and nerve function. Some women may not get enough B12 from their diet (especially vegetarians/vegans), or their bodies may not absorb it properly, leading to anemia.

4. Increased Blood Volume

During pregnancy, your blood volume expands by up to 50%, but red blood cell production may not keep up. This dilutional effect can cause physiological anemia, which is usually mild but may worsen if other deficiencies exist.

5. Chronic Diseases

Conditions like kidney disease, autoimmune disorders, or infections can interfere with red blood cell production, leading to anemia.

6. Blood Loss

Heavy menstrual bleeding before pregnancy or complications like placenta previa (bleeding during pregnancy) can contribute to anemia.

Consult Top Specialists

Dr. Karuna Ratwani, Obstetrician and Gynaecologist

Dr. Karuna Ratwani

Obstetrician and Gynaecologist

11 Years • MBBS, MS( Obstetrics & Gynaecology), F.MAS, FICRS Advanced Diploma in Minimal Access surgery Fellow of International College of Robotic Surgeons Diploma in Reproductive Medicine, Kiel-Germany Masters in Cosmetic Gynaecology , Greifswald-Germany Masterclass in Obstetrics & Gynaecology Ultrasound ( ISUOG, UK)

Delhi

Apollo Hospitals Indraprastha, Delhi

1500

1500

Dr. Vidya Konduri, Obstetrician and Gynaecologist

Dr. Vidya Konduri

Obstetrician and Gynaecologist

9 Years • MS

Chinagadila

Apollo Hospitals Health City Unit, Chinagadila

recommendation

89%

(50+ Patients)

500

500

Dr. Sushma Prasad Sinha, Obstetrician and Gynaecologist

Dr. Sushma Prasad Sinha

Obstetrician and Gynaecologist

35 Years • MBBS, MD, MRCOG., FRCOG., FICOG, FIMSA

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

96%

(50+ Patients)

2500

2500

Dr. Swetha P, Obstetrician and Gynaecologist

Dr. Swetha P

Obstetrician and Gynaecologist

11 Years • MBBS, MS(OBGY)

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

84%

(50+ Patients)

700

1200

Dr. Asawari Kesari Kapoor, Obstetrician and Gynaecologist

Dr. Asawari Kesari Kapoor

Obstetrician and Gynaecologist

23 Years • M.B.B.S, D.G.O(Mumbai) ,D.G.O (C.P.S), D.N.B (OBGY)

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

89%

(25+ Patients)

1200

1500

How Does Anemia Affect You and Your Baby?

Mild anemia may not cause noticeable symptoms, but if left untreated, it can lead to:

  • Extreme fatigue and weakness
  • Dizziness or shortness of breath
  • Pale skin, nails, or gums
  • Rapid or irregular heartbeat
  • Difficulty concentrating

For your baby, severe anemia increases the risk of:

  • Premature birth
  • Low birth weight
  • Developmental delays
  • Higher risk of anemia in the baby after birth

How Can You Prevent and Manage Anemia During Pregnancy?

1. Eat Iron-Rich Foods

Include these in your diet:

  • Lean meats, poultry, and fish (heme iron, easily absorbed)
  • Spinach, lentils, beans, and fortified cereals (non-heme iron)
  • Vitamin C-rich foods (oranges, tomatoes, bell peppers) to boost iron absorption.

2. Take Prenatal Vitamins

Your doctor may prescribe iron and folic acid supplements to meet increased demands.

3. Get Regular Blood Tests

Prenatal check-ups include hemoglobin and ferritin tests to monitor anemia. If levels are low, your doctor may adjust your supplements.

4. Avoid Iron Blockers

Tea, coffee, and calcium-rich foods can interfere with iron absorption. Have them at least 2 hours apart from iron-rich meals or supplements.

5. Stay Hydrated & Exercise Moderately

Gentle activities like walking improve circulation, but avoid overexertion if you feel weak.

When to See a Doctor?

If you experience:

  • Severe fatigue or breathlessness
  • Frequent dizziness or fainting
  • Pale skin or rapid heartbeat

Consult your doctor immediately. Early detection and treatment can prevent complications.

Take Charge of Your Health with Apollo 24|7

If you're pregnant and concerned about anemia, Apollo 24|7 makes it easy to:

  • Book a consultation with a gynecologist
  • Get blood tests done at home
  • Access expert advice on prenatal care

Don’t ignore the signs; your health and your baby’s well-being depend on it!

Conclusion

Anemia during pregnancy is common but manageable with the right nutrition, supplements, and medical care. By recognizing the symptoms early and taking preventive steps, you can protect your health and support your baby’s development.

Consult Top Specialists

Dr. Karuna Ratwani, Obstetrician and Gynaecologist

Dr. Karuna Ratwani

Obstetrician and Gynaecologist

11 Years • MBBS, MS( Obstetrics & Gynaecology), F.MAS, FICRS Advanced Diploma in Minimal Access surgery Fellow of International College of Robotic Surgeons Diploma in Reproductive Medicine, Kiel-Germany Masters in Cosmetic Gynaecology , Greifswald-Germany Masterclass in Obstetrics & Gynaecology Ultrasound ( ISUOG, UK)

Delhi

Apollo Hospitals Indraprastha, Delhi

1500

1500

Dr. Vidya Konduri, Obstetrician and Gynaecologist

Dr. Vidya Konduri

Obstetrician and Gynaecologist

9 Years • MS

Chinagadila

Apollo Hospitals Health City Unit, Chinagadila

recommendation

89%

(50+ Patients)

500

500

Dr. Sushma Prasad Sinha, Obstetrician and Gynaecologist

Dr. Sushma Prasad Sinha

Obstetrician and Gynaecologist

35 Years • MBBS, MD, MRCOG., FRCOG., FICOG, FIMSA

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

96%

(50+ Patients)

2500

2500

Dr. Swetha P, Obstetrician and Gynaecologist

Dr. Swetha P

Obstetrician and Gynaecologist

11 Years • MBBS, MS(OBGY)

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

84%

(50+ Patients)

700

1200

Dr. Asawari Kesari Kapoor, Obstetrician and Gynaecologist

Dr. Asawari Kesari Kapoor

Obstetrician and Gynaecologist

23 Years • M.B.B.S, D.G.O(Mumbai) ,D.G.O (C.P.S), D.N.B (OBGY)

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

89%

(25+ Patients)

1200

1500

Consult Top Specialists

Dr. Karuna Ratwani, Obstetrician and Gynaecologist

Dr. Karuna Ratwani

Obstetrician and Gynaecologist

11 Years • MBBS, MS( Obstetrics & Gynaecology), F.MAS, FICRS Advanced Diploma in Minimal Access surgery Fellow of International College of Robotic Surgeons Diploma in Reproductive Medicine, Kiel-Germany Masters in Cosmetic Gynaecology , Greifswald-Germany Masterclass in Obstetrics & Gynaecology Ultrasound ( ISUOG, UK)

Delhi

Apollo Hospitals Indraprastha, Delhi

1500

1500

Dr. Vidya Konduri, Obstetrician and Gynaecologist

Dr. Vidya Konduri

Obstetrician and Gynaecologist

9 Years • MS

Chinagadila

Apollo Hospitals Health City Unit, Chinagadila

recommendation

89%

(50+ Patients)

500

500

Dr. Sushma Prasad Sinha, Obstetrician and Gynaecologist

Dr. Sushma Prasad Sinha

Obstetrician and Gynaecologist

35 Years • MBBS, MD, MRCOG., FRCOG., FICOG, FIMSA

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

96%

(50+ Patients)

2500

2500

Dr. Swetha P, Obstetrician and Gynaecologist

Dr. Swetha P

Obstetrician and Gynaecologist

11 Years • MBBS, MS(OBGY)

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

84%

(50+ Patients)

700

1200

Dr. Asawari Kesari Kapoor, Obstetrician and Gynaecologist

Dr. Asawari Kesari Kapoor

Obstetrician and Gynaecologist

23 Years • M.B.B.S, D.G.O(Mumbai) ,D.G.O (C.P.S), D.N.B (OBGY)

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

89%

(25+ Patients)

1200

1500

Consult Top Specialists

Dr. Karuna Ratwani, Obstetrician and Gynaecologist

Dr. Karuna Ratwani

Obstetrician and Gynaecologist

11 Years • MBBS, MS( Obstetrics & Gynaecology), F.MAS, FICRS Advanced Diploma in Minimal Access surgery Fellow of International College of Robotic Surgeons Diploma in Reproductive Medicine, Kiel-Germany Masters in Cosmetic Gynaecology , Greifswald-Germany Masterclass in Obstetrics & Gynaecology Ultrasound ( ISUOG, UK)

Delhi

Apollo Hospitals Indraprastha, Delhi

1500

1500

Dr. Vidya Konduri, Obstetrician and Gynaecologist

Dr. Vidya Konduri

Obstetrician and Gynaecologist

9 Years • MS

Chinagadila

Apollo Hospitals Health City Unit, Chinagadila

recommendation

89%

(50+ Patients)

500

500

Dr. Sushma Prasad Sinha, Obstetrician and Gynaecologist

Dr. Sushma Prasad Sinha

Obstetrician and Gynaecologist

35 Years • MBBS, MD, MRCOG., FRCOG., FICOG, FIMSA

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

96%

(50+ Patients)

2500

2500

Dr. Swetha P, Obstetrician and Gynaecologist

Dr. Swetha P

Obstetrician and Gynaecologist

11 Years • MBBS, MS(OBGY)

Hyderabad

Apollo Hospitals Jubilee Hills, Hyderabad

recommendation

84%

(50+ Patients)

700

1200

Dr. Asawari Kesari Kapoor, Obstetrician and Gynaecologist

Dr. Asawari Kesari Kapoor

Obstetrician and Gynaecologist

23 Years • M.B.B.S, D.G.O(Mumbai) ,D.G.O (C.P.S), D.N.B (OBGY)

Delhi

Apollo Hospitals Indraprastha, Delhi

recommendation

89%

(25+ Patients)

1200

1500

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