NUR 102 Exam 1 Antepartum Flashcards
In the Respiratory changes in Antepartum, does O2 increase or decrease? what percentage?
Oxygen consumption Increases 20%
What kind of breathing?
Abdominal to thoracic breathing
How does the chest circumference change?
Chest circumference increases up to 6 cm.
In Cardiovascular changes in Antepartum, what happens to blood volume?
Blood volume increases 40-60%
In antepartum..Does RBC’s increase or decrease? how much?
RBC’s Increase by only 20-30%
Are heart murmurs normal?
Yes they are!
Does cardiac output increase or decrease? how much
Cardiac Output INCREASES up to 50% ( so the heart is working harder)
Does peripheral vascular resistance increase or decrease?
It DECREASES ( Which is why they have dependent edema)
What are the physical changes in Breasts?
- Increase in size
- Nipples are more erect
- Colustrum may be present by 4th month
Does BMR go up or down in the 1st trimester?
It goes DOWN by 10%..but otherwise goes UP about 25&
Why do pregnant women go into physiological anemia?
Because although Blood volume goes up 40-60%…RBC’s only go up to 20-30%! Not enough Hemoglobin:(
What pysical changes in the uterus?
Wall softer & thicker
it becomes globular
capacity up to 5000mls
INCREASED Intra-abdominal pressure
Endocrine changes in antepartum are what?
- Prolactin INCREASES
- Estrogen INCREASES
- Progesterone INCREASES
- Blood Glucose DECREASES (NORMALLY UNLESS..Gestational DM)
What are the presumptive signs of pregnancy?
- No Periods (Amenorrhea)
- N & V
- Fatigue
- Increased Urination
- Breast changes
- Quickening (1st awareness of fetal movement; 18 weeks gestation)
What are the probable signs of pregnancy?
- Pregnancy Test
- Enlarged Abdomen
- Hegar’s sign “Softening of Uterus”
- Chadwick’s sign “Bluish-purple Vagina”
- Goodell’s sign “Softening of the Cervical Lip”
- Ballottment - “Fetus Rebounds”
- Braxton-Hicks Contractions
