Final Ob2 Flashcards
What is a normal term?
37 - 41 weeks
What is post term?
42 weeks +
What is pre term?
20 - 37 weeks
Abortion is how many weeks?
0 - 19 weeks
What is the first biomarker of pregnancy?
Elevated HCG level
How many chromosomes does each parent give to the infant?
23 chromosomes
Does mom or dad dictate the sex of the fetus?
The dad dictates the sex of the fetus
What are the two methods of cell division?
Mitosis and Meiosis
Where does fertilization occur?
Outer 3rd of the fallopian tube
What are the stages of development of fetus?
2 weeks - zygote, 2 - 8 weeks - embryo
How long can sperm last in the cervix?
Up to 5 days
Where is the preferred spot of attachment in the uterus?
The body of the uterus
Where is gas exchange done for the fetus?
In the placenta
When are the lungs functional in the fetus?
The lungs are not functional until 7 - 12 weeks
When does a placenta grow?
At 7 - 12 weeks
What are the layers of the amniotic sac?
- Amnion 2. Chorion
How many ml of fluid is in the placenta?
1000 ML
If you have less than <500 amniotic fluid what is it called?
Oligohydramnios
More than 1,000 ML amniotic fluid is called?
Polyhydramnios
How many vessels come from the umbilical cord?
3, 2 arteries and 1 vein
Where is blood shunted in fetal circulation?
Away from the liver
What organ is not necessary in the fetus?
The lungs
What are the three germ layers?
Ectoderm, Mesoderm, Endoderm
What is the age of viability?
20 - 24 weeks
When do the lungs in the fetus mature?
The lungs of the fetus develop a surfactant
What hormones does the placenta produce?
HCG, estrogen, HPL, progesterone
How many pounds does someone usually gain during pregnancy?
25 - 35 pounds
Two immunizations that you can get during pregnancy are what?
Tdap and FLU
Who can’t get the MMR vaccine? List 4.
- No pregnant 2. Neutropenic 3. Immunocompromised 4. Allergic to components
What does folic acid prevent?
Neural tube defects
How much folic acid do we give?
400 mcg
How to calculate EDD (estimated delivery date)?
Naegle’s rule is used to calculate
What is the preferable pelvis for delivery?
Gyncoid pelvis
What are the fundal heights?
12 weeks at symphysis pubis, 16 weeks at umbilicus
What is Leopold’s maneuver used for?
Measures the fetus lay and presentation
What is the normal fetal heart rate?
110 - 160 bpm
If the patient has nausea or vomiting, what do we give them?
Give dry carbohydrates such as crackers
What are the three signs of pregnancy?
- Presumptive 2. Subjective data 3. Objective data
When is the first time we have fetal heart rate?
10 - 12 weeks
When is the first fetal movement?
16 - 20 weeks
Should you ever put a pregnant woman to lay down flat on her back?
No, it causes supine hypotension
What are the 4 changes of pregnancy on the cardiovascular system?
- Dilutional anemia 2. Increased blood volume 3. Increased cardiac output 4. Increased heart rate
What are the calories needed more than usual while pregnant?
300 more calories than normal
What are things to remind someone pregnant who are traveling? List 4.
- Walk around 2. Stay hydrated 3. Avoid long periods of sitting 4. Wear loose clothing
