Anatomic and Physiologic Changes of Pregnancy Flashcards
Reproduction System
- Uterus increases dramatically in size and expands upward and leaves the pelvis, becoming an abdominal organ
Urinary System
- Ureters enter the bladder at a perpendicular angle due to uterine enlargement
Ureters enter the bladder at a perpendicular angle due to uterine enlargement may result in?
- Reflux of urine from bladder back into ureter
- Increase chance of urinary infections due to urinary stasis
Pulmonary System
- 15-20% increase in O2 consumption so a natural state of hyperventilation throughout pregnancy
- Dyspena present with mild exercise as early as 20 weeks into pregnancy
Blood volume progressively _____ 35% to 50% throughout ______.
- Increases
- Pregnancy
Plasma increase is ______ then RBC’s increase, therefore ______ _______.
- Greater
- Physiologic Anemia
______ pressure increases in __’s when standing
- Venous
- LE
Pressure in inferior vena cava ____ in late pregnancy due to _______ by the ______.
- Rises
- Compression
- Uterus
- Carries de-oxygenated blood to the uterus
Especially in ____ position, so ____ supine positioning > __ minutes after the 4th month.
- Supine
- Avoid
- 5
Aorta also partially _____ in _____.
- Occluded
- Supine
Heart rhythm _____ are more common
- Disturbances
HR _____ 10-20 bpm by ___ turm
- Increases
- Full
Cardiac Output ______ 30%-50%
- Increases
When is cardiac output most significantly increased?
- Side-lying on L side
- Less pressure on the aorta and vena cava
- best position for exercise if possible
- If supine, put folded towel under R side
Blood pressure ______ early in the __ trimester
- Decreases
- 1st
