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Flashcards in Obstetrics Deck (176)
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1

Signs of pregnancy

amenorrhea
breast engorgement/tenderness
fatigue
nausea/vomiting
quickening (movement)

2

Signs of early pregnancy

Goodell sign- softening of the cervix

Chadwick sign- dark- bluish red discoloration of the vaginal mucosa

Hegar and Ladin signs: softening of uterus

Chloasma: skin hyperpigmentation on the face, often in sun-exposed areas

Linea nigra: skin hyperpigmentation along the midling of the anterior abdominal wall

3

When does betaHCG become detectable in theurine? in the serum?

urine: 2 weeks after fertilization
serum 1 week after fertilization

4

when does a pregnancy show up on ultrasound?

5 weeks

5

when does fetal cardiac activity become perceptible on Doppler?

10-12 weeks

6

gestational age-

measured from 1st day of LMP
inaccurate if the cycle isn't 14 days

can be estimated with US

7

embryonic age

measured from fertilization
how old is the age of the embryo?

8

Naegele's rule for calculating due date

1st day of LMP
+ 7 days
-3 months
+ 1 year
= expected date of delivery

9

G and P

G:# of pregnancies
P:# of births: 20 weeks
A:# of abortions

10

nulligravida

never been pregnant

11

nullipara

never given birth

12

primigravida

currently in 1st pregnancy

13

primipara

has had 1 birth

14

multipara

has had >2 births

15

age of viability

24 weeks

16

preterm

17

term birth

37 w 0 d - 41w 6 d

18

postterm

>42 weeks

19

maternal physiology SU260

Basal metabolic rate increases 10-20%
plasma volume increases 30-50%, RBC volume increases 20-30%
systolic Ejection flow mumur
S3
cardiac output inreases 30-50%

blood pressure decreases in early pregnancy- nadir at 24-26 weeks, return to prepregnancy levels by term

relaxation of the lower esophageal sphincter - GERD

increased GFR- decreased BUN and Creatinine

increased procoagulation factors- hypercoagulable state

20

sensitive and specific diagnostic lab test for chronic pancreatitis

low fecal elastase

21

How many extra kcal does a woman need during pregnancy?

women need an extra 100-300kcal/day to meet increased metabolic needs (rate increases by 10-20%)

22

What is the recommended weight gain during pregnancy for someone who is Underweight (BMI

28-40 pounds

23

What is the recommended weight gain during pregnancy for someone who is normal weight (BMI

25-35 pounds

24

What is the recommended weight gain during pregnancy for someone who is overweight ((BMI 25-29.9)?

15-25 pounds

25

What is the recommended weight gain during pregnancy for someone who is obese (BMI>30)

11-20 pounds

26

What supplements should pregnant women take?

folic acid prevents NTD
extra if on antiseizure meds

iron
avoid vitamin A in excess

27

what should pregnant women avoid eating?

deli meats (listeriosis)

fish high in mercury (CNS damage)
-shark
-swordfish
-king mackerel
-tilefish

28

how big is the uterus during pregnancy?

6-8 wks-lemon
8-10 wks- orange
10-12 wks- grapefruit

12 weeks- at the pubis
16 weeks- halfway
20 weeks- umbilicus
from 20-32 weeks the distance from the pubis approximates the age of the uterus

29

What should you do at every prenatal visit?

weight
BP
gestational age
FHTs
fetal movement (especially after 16weeks)
fetal presentation (in the 3rd trimester- cephalic or breech)

30

Leopold's maneuvers

sonogram is more accurate