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Related Concept Videos

Overview of Hematopoiesis01:20

Overview of Hematopoiesis

Hematopoiesis, or blood cell production, is a vital biological process that begins early in embryonic development and continues throughout life. This process generates the various types of cells found in blood, including red blood cells, white blood cells, and platelets from hematopoietic stem cells (HSCs).
Developmental Phases of Hematopoiesis
Initially, HSCs are formed in the embryonic yolk sac, a critical site for early blood cell production. These stem cells subsequently migrate to other...
Factors Affecting Erythropoiesis01:24

Factors Affecting Erythropoiesis

The cardiovascular system regulates the number of erythrocytes in the bloodstream to ensure optimal oxygen transport. It also prevents over-proliferation of these cells, which helps to maintain blood viscosity and flow rate.
Several factors influence the erythrocyte production rate, with tissue oxygen level being among the most critical. Intense exercise or high altitudes can cause tissue hypoxia, which triggers the kidneys to release more erythropoietin (EPO) into the bloodstream.
EPO then...
Role of Hematopoietic Growth Factors01:28

Role of Hematopoietic Growth Factors

Hematopoietic growth factors are molecules that regulate the differentiation rate of hematopoietic stem cells (HSCs). Erythropoietin (EPO), primarily produced by the kidneys, plays a crucial role in erythrocyte production. When oxygen levels in the blood are low, EPO is released into the bloodstream, reaching the bone marrow, where it stimulates HSCs to differentiate and mature into erythrocytes, which are vital for oxygen transport.
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Disorders of Erythrocytes01:27

Disorders of Erythrocytes

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Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
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On the other...
Alterations in Blood Pressure01:30

Alterations in Blood Pressure

Alterations in blood pressure, such as hypertension (high blood pressure) and hypotension (low blood pressure), significantly affect human health. Understanding these conditions' classifications, causes, and symptoms is essential for effective management and treatment.
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Rh Blood Group

The Rhesus (Rh) antigen is crucial in determining blood groups and ensuring compatibility during blood transfusions.

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Related Experiment Video

Updated: May 8, 2026

Quantitating Iron Transport Across the Mouse Placenta In Vivo Using Nonradioactive Iron Isotopes
08:45

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Published on: May 10, 2022

Physiological changes in hematological parameters during pregnancy.

Surabhi Chandra1, Anil Kumar Tripathi, Sanjay Mishra

  • 1Department of Clinical Hematology and Medical Oncology, CSM Medical University, Lucknow, 226003 UP India.

Indian Journal of Hematology & Blood Transfusion : an Official Journal of Indian Society of Hematology and Blood Transfusion
|September 3, 2013
PubMed
Summary
This summary is machine-generated.

Pregnancy causes significant hematological changes in red blood cells, white blood cells, and platelets. This review details these physiological shifts and their scientific basis.

Keywords:
Hematological changesPhysiologicalPregnancy

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Area of Science:

  • Hematology
  • Obstetrics
  • Physiology

Background:

  • Pregnancy involves substantial physiological alterations.
  • Hematological parameters change significantly during gestation.
  • These changes can mimic pathological conditions.

Purpose of the Study:

  • To review physiological hematological changes during pregnancy.
  • To provide the scientific basis for these observed changes.
  • To focus on erythrocytes, leukocytes, platelets, and hemostasis.

Main Methods:

  • Literature review of current scientific knowledge.
  • Analysis of hematological parameters in pregnant individuals.
  • Synthesis of data on red blood cells, white blood cells, platelets, and hemostatic profiles.

Main Results:

  • Detailed description of hematological adaptations during pregnancy.
  • Explanation of the physiological mechanisms underlying these changes.
  • Distinction between normal pregnancy-related changes and pathological conditions.

Conclusions:

  • Pregnancy-induced hematological changes are physiological and expected.
  • Understanding these changes is crucial for accurate clinical assessment.
  • The hemostatic system undergoes significant, adaptive modifications.