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Related Concept Videos

Skin Diseases and Disorders01:23

Skin Diseases and Disorders

Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Acne Infection01:27

Acne Infection

Acne is a multifactorial skin condition primarily affecting adolescents and young adults, with a global prevalence estimated to exceed 75% in this demographic. The condition is characterized by the formation of comedones (blackheads and whiteheads), papules, pustules, nodules, and, in severe cases, cysts, particularly in areas rich in sebaceous glands such as the face, neck, chest, and back. The pathogenesis involves increased sebum production, follicular hyperkeratinization, colonization by...
Accessory Structures of the Skin: Sebaceous Glands01:21

Accessory Structures of the Skin: Sebaceous Glands

A sebaceous gland is a type of oil gland found almost all over the skin ( except palms and soles) and helps lubricate and waterproof the skin and hair. Most sebaceous glands are associated with hair follicles. They generate and excrete sebum, a mixture of lipids, onto the skin surface, thereby naturally lubricating the dry and dead layer of keratinized cells of the stratum corneum, keeping it pliable.
These glands that produce the oils on the skin and hair are holocrine glands. The mature...
Changes in Skin Color: Clinical Perspectives01:14

Changes in Skin Color: Clinical Perspectives

The first thing a clinician sees is the skin, so the examination of the skin should be part of any thorough physical examination. Most skin disorders are relatively benign, but a few, including melanomas, can be fatal if untreated. A couple of the more noticeable disorders, albinism and vitiligo, affect the appearance of the skin and its accessory organs.
Albinism
Albinism is a genetic disorder that affects (completely or partially) the coloring of skin, hair, and eyes. The defect is primarily...
The Skin Microbiota01:27

The Skin Microbiota

The human skin serves as a complex ecosystem inhabited by a diverse community of microorganisms, including bacteria, fungi, and viruses. This microbiome plays a critical role in maintaining skin health and defending against pathogenic invaders. The composition of microbial communities varies significantly across different regions of the body, influenced primarily by the local levels of moisture and sebum.Regional Variation in Skin MicrobiotaCutibacterium acnes predominantly colonizes sebaceous...
Staphylococcal Skin Infections01:29

Staphylococcal Skin Infections

Staphylococcus aureus is a Gram-positive coccus that resides harmlessly on the skin and mucous membranes of healthy individuals. When the skin barrier is breached, it can shift from a commensal to an opportunistic pathogen. This transition is facilitated by surface adhesins, such as clumping factor B and S. aureus surface protein G (SasG), which bind to structural proteins, including loricrin and cytokeratin, in the damaged epidermis. Protein A, another key factor, binds the Fc region of...

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Related Experiment Video

Updated: Jul 17, 2026

Roller Microneedle Combined with Tranexamic Acid Solution in Treating Melasma
04:12

Roller Microneedle Combined with Tranexamic Acid Solution in Treating Melasma

Published on: January 19, 2024

Common skin conditions during pregnancy.

Marc Tunzi1, Gary R Gray

  • 1Family Medicine Residency Program, Natividad Medical Center, Salinas, California 93912, USA. tunzim@co.monterey.ca.us

American Family Physician
|February 1, 2007
PubMed
Summary

Pregnancy commonly causes skin changes, categorized as hormone-related, preexisting, or pregnancy-specific. Most conditions resolve postpartum, but some require specific treatments and monitoring during pregnancy.

Area of Science:

  • Dermatology
  • Obstetrics
  • Women's Health

Background:

  • Pregnancy triggers significant physiological changes, impacting the skin.
  • Skin conditions during pregnancy are broadly classified into hormone-related, preexisting, and pregnancy-specific categories.

Purpose of the Study:

  • To review common skin conditions encountered during pregnancy.
  • To outline the classification, characteristics, and management of these dermatoses.

Main Methods:

  • Literature review of common pregnancy-related skin conditions.
  • Categorization based on etiology: hormonal, preexisting, or specific to pregnancy.

Main Results:

  • Hormone-related changes include stretch marks, melasma, and vascular alterations.

Related Experiment Videos

Last Updated: Jul 17, 2026

Roller Microneedle Combined with Tranexamic Acid Solution in Treating Melasma
04:12

Roller Microneedle Combined with Tranexamic Acid Solution in Treating Melasma

Published on: January 19, 2024

  • Preexisting conditions like eczema and psoriasis may fluctuate.
  • Pregnancy-specific conditions include PUPPP, prurigo of pregnancy, and others, with PUPPP being most common.
  • Conclusions:

    • Most pregnancy dermatoses are benign and resolve post-delivery with symptomatic care.
    • Specific treatments exist for conditions like melasma and intrahepatic cholestasis of pregnancy.
    • Antepartum surveillance is crucial for severe conditions such as impetigo herpetiformis and pemphigoid gestationis.