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

 

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

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