Related Experiment Video
Updated: Jan 28, 2026

07:04
A Novel Use of Three-dimensional High-frequency Ultrasonography for Early Pregnancy Characterization in the Mouse
Published on: October 24, 2017
8.9K
Erythrocytes morphology in pregnancy.
Jean-François Lesesve1, Claire Franczak1, Julien Perrin1
1Service d'hématologie biologique, CHRU Nancy, France.
Annales De Biologie Clinique
|February 26, 2019
Summary
Red blood cell (RBC) morphology in pregnancy shows minor, clinically insignificant changes. Occasional spherocytes or schistocytes may appear, even without hemolysis.
Area of Science:
- Hematology
- Obstetrics
- Red Blood Cell Morphology
Background:
- Limited data exists on red blood cell (RBC) morphological anomalies during pregnancy.
- This study investigated RBC shape, color, and content anomalies in healthy pregnant women.
Discussion:
- Minor RBC alterations were observed in healthy pregnant women.
- A slight, regular increase in polychromatophilic RBCs was noted.
- Spherocytes and schistocytes can be found incidentally, not necessarily indicating hemolysis.
Key Insights:
- Pregnancy is associated with subtle, non-pathological changes in RBC morphology.
- The presence of polychromatophilic RBCs is a common finding.
- Absence of hemolysis does not exclude the occasional presence of spherocytes or schistocytes.
Outlook:
- Further research could explore the precise mechanisms behind these minor RBC changes.
- Establishing normative data for RBC morphology in pregnancy is crucial for accurate clinical interpretation.
- Understanding these variations aids in differentiating normal physiological changes from pathological conditions.
Related Concept Videos
Lifecycle of Erythrocytes
5.2K
Erythrocytes, also known as red blood cells, constantly move through blood capillaries. As a result, they damage their plasma membrane due to the continuous friction. Typically, after 100 to 120 days, erythrocytes become rigid and fragile as they wear out. As they pass through small vessels in the spleen and liver, they can get trapped and break apart into fragments.
The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups....
The resident phagocytic macrophages deal with these damaged cells by engulfing them and separating their globin and heme groups....
5.2K
Disorders of Erythrocytes
2.2K
Disorders of erythrocytes, or red blood cells (RBCs), include a range of conditions affecting their number, shape, or function.
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
Erythrocyte disorders can be broadly categorized into two main types: anemic and polycythemic conditions.
A low oxygen-carrying capacity of the blood due to the loss, lower production, or destruction of erythrocytes is termed anemia. Hemorrhagic anemia, for example, occurs when bleeding from an external wound or internal ulcer reduces erythrocyte counts.
On the other...
2.2K
Structure and Function of Erythrocytes
5.8K
There are between 4.2 and 6 million erythrocytes, also known as red blood cells, in every microliter of blood. These cells are small, flattened biconcave discs with centers that are depressed.
The erythrocyte plasma membrane is associated with proteins such as spectrin, which forms a flexible cytoplasmic meshwork. This meshwork allows erythrocytes to twist, turn, become cup-shaped, and regain their biconcave shape as they pass through narrow capillaries. Additionally, erythrocytes can form...
The erythrocyte plasma membrane is associated with proteins such as spectrin, which forms a flexible cytoplasmic meshwork. This meshwork allows erythrocytes to twist, turn, become cup-shaped, and regain their biconcave shape as they pass through narrow capillaries. Additionally, erythrocytes can form...
5.8K
Microbial Morphologies
2.3K
Bacterial and archaeal cells exhibit remarkable diversity in shape and structure, critical in their adaptability and functionality. Among bacteria, the most commonly observed shapes include cocci and bacilli. Cocci are spherical and may exist singly or in groupings such as pairs (diplococci), chains (streptococci), clusters (staphylococci), or tetrads. Bacilli, in contrast, are rod-shaped and can also occur as single cells, in pairs, or chains, depending on their environmental and genetic...
2.3K
Multiple Allele Traits
38.1K
The Concept of Multiple Allelism
38.1K
Lytic Cycle of Bacteriophages
77.7K
Bacteriophages, also known as phages, are specialized viruses that infect bacteria. A key characteristic of phages is their distinctive “head-tail” morphology. A phage begins the infection process (i.e., lytic cycle) by attaching to the outside of a bacterial cell. Attachment is accomplished via proteins in the phage tail that bind to specific receptor proteins on the outer surface of the bacterium. The tail injects the phage’s DNA genome into the bacterial cytoplasm. In the...
77.7K

