Blueprints Obstetrics Ch1

Front 1

bhCG

Back 1

8 days - detectable
10 wks - peak 100,000 mIU/ml
3rd trimester 20-30K mlU/ml

Front 2

Viable Pregnancy confirmation

Back 2

US - sac at 5 wks or bhCG 1500-2000
HR - 6 wks or bhCG 5000-6000

Front 3

fertilization to 8 wks (10 wks GA)
8 wks to birth
delivery to 1 year

Back 3

embryo
fetus
infant

Front 4

delivery prior to 24 wks
24-37 wks
37 to 42 wks
> 42 wks

Back 4

previable
preterm
term
postdate or postterm

Front 5

birth beyond 20 wks or > 500g

Back 5

parity

Front 6

Age in wks and days from LMP

Back 6

GA

Front 7

Bluish discoloration of vagina and cervix.

Back 7

Chadwick's sign

Front 8

Softening & cyanosis of the cervix p 4 wks

Back 8

Goodell's sign

Front 9

Softening of the uterus p 6 wks

Back 9

Ladin's sign

Front 10

Number of wks and days since fertilization.

Back 10

Developmental age

Front 11

Nagele's rule for the EDC:
Exact dating:
Assisted reproductive technology

Back 11

LMP - 3 mo + 7 days
LMP + 280 days
+ 266 days

Front 12

fetal movement first detected at 16-20 wks

Back 12

quickening

Front 13

CO increase in pregnancy
SBP decrease:
DBP decrease:

Back 13

30 - 50%
5-10 mm HG
10-15 mm HG

Front 14

Causes decr SVR in pregnancy

Back 14

progesterone

Front 15

At _ wks BP begins to return to prepregancy, but should never exceed.

Back 15

24 wks

Front 16

Pregnancy effect on ERV.

Back 16

Vt increases 30-40%
ERV decreases 20%

Front 17

PaCO2 at 20 wks ?

Back 17

30 mm HG

Front 18

Dyspnea of pregnancy rate ?

Back 18

60 - 70%

Front 19

GFR in pregnancy ?

Back 19

Increases 50%

Front 20

Plasma vol change in pregnancy ?
RBC change in pregnancy ?

Back 20

increased 50%
increased 20-30%

Front 21

WBCs in pregnancy ?

Back 21

mean 10.5, range 6 - 16

Front 22

WBCs in labor ?

Back 22

may exceed 20 million / mL

Front 23

When to investigate low plates in pregnancy ?

Back 23

below 100 million / ml

Front 24

Increased estrogen in pregnancy is produced by ?

Back 24

placenta primarily
ovaries to a lesser extent

Front 25

same in hCG and LH, FSH & TSH

Back 25

alpha subunit

Front 26

produces hCG, which maintains CL progestone production

Back 26

placenta

Front 27

doubles every 48 hrs, max at 10-12 wks

Back 27

hCG

Front 28

produced by placenta
ensures constant nutrient supply to fetus
causes lipolysis and incr FFAs
insulin antagonist
diabetogenic

Back 28

hPL (human placental lactogen)

Front 29

cause an increase in TBG

Back 29

estrogen

Front 30

markedly increased in pregnancy

Back 30

prolactin

Front 31

caused by alpha-melanocyte-stimulating hormone

Back 31

linea nigra
melasma or chloasma

Front 32

nl weight gain in preganancy ?

Back 32

20 - 30 LB

Front 33

PE of initial visit in pregnancy

Back 33

Pap (unless prior w/in 6 mo)
gonorrhea
chlamydia
CBC, type & screen
AB screen
HBSAg
PPD
RPR
Rubella Ab
Toxoplasma titers
VZV

Front 34

How do fluid retention and pre-eclampsia present ?

Back 34

large wt gains toward end of pregnancy

Front 35

corresponds roughly to weeks of gestation ?

Back 35

uterine fundal height

Front 36

Doppler at 10 - 14 wks to assess:

Back 36

FHR

Front 37

forbodes ectopic pregnancy or miscarriage in first trimester and p. previa or p. abruption as pregnancy advances

Back 37

vaginal bleeding

Front 38

forbodes PROM

Back 38

vaginal discharge

Front 39

MSAFP is done when ?

Back 39

second trimester - 15-18 wks

Front 40

Screening US done when ?

Back 40

18 - 20 wks

Front 41

When does fetus become viable ?

Back 41

3rd trimester

Front 42

When do Rh- pts receive RhoGAM

Back 42

28 wks

Front 43

Performed beyond 32-34 wks to determine fetal presentation ?

Back 43

Leopold's maneuvers

Front 44

GTT

Back 44

100g glucose.
Diabetes is:
fasting glu > 105 mg/dl
or any 2 > 190, 160, 145

Front 45

theoretical risk of pre-term labor

Back 45

laxatives in 3rd trimester

Front 46

A sign of preterm labor, which should be assessed by cervical examination.

Back 46

10 - 15 minutes apart

Front 47

How might dehydration lead to uterine contractions ?

Back 47

possible cross reaction between vasopressin and oxytocin

Front 48

what causes edema to feet an ankles ?

Back 48

uterine compression of IVC and pelvic veins

Front 49

severe edema of hands and face is indicative of:

Back 49

preeclampsia

Front 50

what causes hemorrhoids in pregnancy ?

Back 50

pressure on IVC
increased venous stasis
abdominal pressure of constipation

Front 51

MC cause of increased urinary frequency ?

Back 51

uterus pressure on bladder

Front 52

PUBS

Back 52

percutaneous umbilical blood sampling
- fetal hematocrit (esp in Rh isoimmunization)
- fetal anemia (other causes)
- hydrops

Front 53

Lung Maturity

Back 53

L/S > 2 - rare RDS
L/S < 1.5 RDS 70%

Front 54

Antenatal tests:

Back 54

NST
OCT (CST)
BPP

Front 55

Formally reactive NST.

Back 55

2 accelerations in 20 minutes
at least 15 beats above baseline
last for at least 15 seconds

Front 56

OCT (CST)

Back 56

Get 3 contractions in 10 minutes.
15 beats above baseline
for 15s duration
same criteria as NST
Late decelerations w/ half the contractions constitute a positive test.

Front 57

If NST is nonreactive -
assess fetus by US
FHR with worrisome decelerations or BPP not reassuring, then perform:

Back 57

CST