Maternal Physio - Integumentary Flashcards Preview

OBGYN - 3. OB normal > Maternal Physio - Integumentary > Flashcards

Flashcards in Maternal Physio - Integumentary Deck (12):
1

Skin changes

  • Striae gravidarum
  • Linea nigra
  • Chloasma or melasma gravidarum (aka mask of pregnancy)
  • Angiomas
  • Palmar erythema

2

Striae gravidarum (aka stretch marks)

  • Definition
  • Cause

  • Definition
    • Reddish, slightly depressed streaks on the abdomen, breast, and thighs
  • Cause
    • Collagen breakdown

3

Linea nigra definition

Black line/discoloration of the abdomen; runs from umbilicus to pubis (darkening of linea alba)

4

Chloasma or melasma gravidarum (aka mask of pregnancy)

  • Definition
  • Preferred site

  • Definition
    • Irregular brown patches of varying size in exposed areas
  • Preferred site
    • Face or neck

5

Angioma

  • Definition
  • Location
  • Other name
  • Cause

  • Definition
    • Red elevation at a central point with branching vasculature present
  • Location
    • Face, neck, chest, and arms
  • Other name
    • Vascular spider
  • Cause
    • Due to estrogen

 

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6

Cause of palmar erythema

Due to estrogen

7

Postpartum, striae gravidarum appears ___ (color)

Silvery white

8

The strongest associated risk factors for striae gravidarum are:

  • Weight gain during pregnancy
  • Younger maternal age
  • Family history

9

Physiology for ↑ in pigmentation

  • ↑ed MSH
  • Estrogen and progesterone → ↑ed MSH

10

Diastasis recti

Rectus muscles that separate in the midline

 

Etymology:

  • Diastasis means to divide

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11

Hair growth changes

Prolonged anagen (the growing hair phase)

12

Generalized, severe itchiness of late pregnancy where the only skin lesions are those secondary to scratching

  • Condition
  • Cause

  • Condition
    • Pruritus gravidarum
  • Cause
    • Due to retained bile salts