Obstetrics Flashcards
Number of times a woman has been pregnant?
Gravidity
Number times a woman has given birth?
Parity
When should preconception care begin?
3 months prior to conception
Folic acid recommendation is
400 mcg
What trimester does the blood pressure decrease
1st and 2 nd trimester
What trimester does the blood pressure return to baseline
3rd trimester
Chronic HTN increases the risk for what complications during pregnancy?
- Pre-eclampsia
- Preterm labor
- Placental abruption
Complications of diabetes during pregnancy?
- Congenital malformations
- Pregnancy loss
- Fetal macrosomia/growth restriction
- DKA
- Maternal and perinatal mortality
What percentage of women with asthma during pregnancy will.
- Get worse
- No change
- Improve
1/3
Why are ace inhibitors not given during pregnancy?
- They can cause renal agenesis
If a woman stops smoking prior to 24 weeks in pregnancy what is the outcome?
- The same as someone who has never smoked
complications from smoking during pregnancy include?
- Placental abruption
- Preterm labor
- Premature rupture of membranes
- fetal growth restriction
- SIDS
During pregnancy systemic vascular resistance is increased or decreased?
Decreased
What happens to mean arterial pressure during pregnancy?
decreases
Does the heart rate increase or decrease during pregnancy?
increases
Is cardiac output increased or decreased during pregnancy
increased
During pregnancy blood volume increases to
40-45% above the non pregnant state
What makes pregnant women at increased risk for blood clots during pregnancy
Their blood is hyper-coagulable
Is pregnancy an immunodeficient state
yes
During pregnancy how many centimeters does the diaphragm rise?
4 cm
During pregnancy does residual lung volume increase or decrease?
Decrease
Does tidal volume increase or decrease in the pregnant female
Increases
does functional residual capacity decrease or increase during pregnancy
decrease
Cardiac output increases during pregnancy does the heart rate increase as well?
the heart rate increases during pregnancy
During pregnancy where is the woman’s heart located?
The heart is displaced leftward and upward
What is the reason for acid reflux for women in the first and third trimester
Decreased tone of the lower esophageal sphincter
What happens to the size of the kidney’s during pregnancy?
The are slightly larger due to increased blood volume.
When is hydro-nephrosis more common during pregnancy and which ureter is most often times affected?
Common after 2nd trimester and the right is more often affected than the left
During pregnancy:
- Serum creatinine is?
- Creatinine clearance is
- GFR is?
- Serum Cr-decreased
- Cr Clearance-increased
- GFR-increased
What is the likely cause of glucose in the pregnant woman’s urine besides GD
- Glucose because of the increased GFR
basal metabolic rate in pregnancy increases by
10-20%
In pregnancy water retention is increased by 6.5 l due to what?
Decrease plasma osmolality
During pregnancy does progesterone and estrogen increase or decrease?
Increase
During pregnancy does aldosterone and renin increase or decrease?
Increase
During pregnancy does relaxin increase or decrease
increase
The uterus increased to how many grams by the time the fetus is term?
5 liters
Linea nigra is a result of what during pregnancy
Increase in melanocytes
What is Naegele’s rule?
LMP subtract 3 months and add 7 days.
Beta HCG is at least what number should something be seen in the uterus on vaginal u/x
2000
If the beta hcg is at least (1) clinicians should be able to see something in the uterus using an abdominal u/s
6000
Serum pregnancy test is
quantitative
Gestational age on ultrasound in the 1 st trimester should be how many weeks from the LMP
1 week
Which trimester u/s is most accurate for establishing gestational age?
2nd trimester
Initial prenatal visit routine screening?
- Blood type RH factor
- CBC
- Infections: Rubella, HIV, RPR/VDRL, Hep B
- Pap smear and culture gonorrhea and chlamydia
- Hemoglobinopathies and inherited disease
When is the fetal anatomy u/s conducted?
Between 18-22 weeks gestation
If a patient has a random 140 result is that a positive screen for GD?
yes
When is the pertussis vaccine given?
3rd trimester
GBS screening is done during what weeks of pregnancy?
35-37 weeks
How is hyperemesis gravidarum treated?
- Slow IV hydration
- Correct electrolyte disturbance
- anti-emetic vitamin b6 and doxylamine
What reverses the side effects of extrapyramidal movements related to Reglan
- Benadryl
Which of the following can be a complication of IV hydration in patients with hyperemesis gravidarum?
Worsening thiamine deficiency