Obgyn 01: Pregnancy

Front 1

first trimester is ___ thru ___th w

Back 1

0
12

Front 2

second trimester is ___ thru ___th w

Back 2

12
28

Front 3

third trimester is ___ thru ___th w

Back 3

28
40

Front 4

normal pregnancy term is ___ to ___ w

Back 4

37
42

Front 5

5 sx of pregnancy

Back 5

amenorrhea
nausea
breast tenderness
urinary frequency
fatigue

Front 6

4 physical signs of pregnancy

Back 6

goodell's
chadwick's
hegar's
uterine enlargement

Front 7

goodell's sign is ___
it occurs at ___ w

Back 7

softening of cx
4--6

Front 8

chadwick's sign is ___

Back 8

bluish discoloration of cx and vagina

Front 9

hegar's sign is ___
it occurs at ___ w

Back 9

softening of cxal isthmus
6--8

Front 10

bhCG is positive in serum ___ days post-conception
it is positive in urine ___ days after LMP
its function is ___

Back 10

9
28
maintain corpus luteum during pregnancy

Front 11

plasma levels of bhCG double every ___ until ___
peak level is ___ IU
level at term is ___ IU

Back 11

1--2 d
8--10 w
100,000
10,000

Front 12

DD of low bhCG (3)

Back 12

wrong dating
ectopic pregnancy
abortion

Front 13

DD of high bhCG (4)

Back 13

wrong dating
multiple gestation
Down's syn
molar pregnancy

Front 14

TVUS can see a gestational sac at ___ w,
or a bhCG of ___

Back 14

5
1500

Front 15

TVUS can see fetal heart tones at ___ w

Back 15

7--8

Front 16

abdominal US can see a pregnancy at ___ w

Back 16

6--8

Front 17

platelets are physiologically ___ in preg

Back 17

low (but >70000)

Front 18

WBC count is physiologically ___ in preg

Back 18

high

Front 19

WBC function is physiologically ___ in preg
this explains

Back 19

low
improvement in autoimmune conditions

Front 20

progesterone causes ___ (4)

Back 20

low GE sphincter tone
increased cholestasis
constipation
increased CO2 sensitivity

Front 21

pregnancy causes ____ of thyroid and
___ of total T4 and TBG

Back 21

enlargement
increase

Front 22

pregnancy causes ___ of free T4

Back 22

no change

Front 23

pregnancy causes ___ of TSH

Back 23

no change

Front 24

maternal cortisol ___s throughout preg

Back 24

rises

Front 25

albumin ____s during preg
this causes ___ total Ca2+

Back 25

falls
reduced

Front 26

preg causes ___ in free Ca2+

Back 26

no change

Front 27

1st leopold maneuver determines ___

Back 27

what part is in fundus

Front 28

2nd leopold maneuver determines ___

Back 28

which way fetal back is pointing

Front 29

3rd leopold maneuver determines ___

Back 29

what part is at pelvic inlet

Front 30

4th leopold maneuver determines ___

Back 30

position of fetal brow (assuming cephalic presentation)

Front 31

NST is indicated if ___ or ___ is suspected

Back 31

uteroplacental insufficiency
fetal distress

Front 32

T/F: NST is very sensitive

Back 32

true

Front 33

NST is reassuring if ___

Back 33

>=2 accelerations observed over 20 minutes

Front 34

acceleration on NST means rise of ___ lasting ___

Back 34

15 bpm
15 s

Front 35

if NST is non-reactive, do ___

Back 35

BPP

Front 36

4 parameters of BPP

Back 36

amniotic fluid volume
respiratory movements
limb movements
fetal tone

Front 37

AFV satisfies BPP criterion if ___

Back 37

2cm pocket in 2 axes

Front 38

respiratory movements satisfy BPP criterion if ___

Back 38

1 episode lasting 30 s

Front 39

limb movements satisfy BPP criterion if ___

Back 39

3 different movements

Front 40

fetal tone satisfies BPP criterion if ___

Back 40

extension followed by flexion

Front 41

first trimester screen is done at w ___
it includes ___ (3)

Back 41

11-14
NTUS
bhCG
PAPP-A

Front 42

maternal serum screen is done at w ___
it includes ___ (3)

Back 42

16
MSAFP
bhCG
E3

Front 43

integrated prenatal screen includes ___ from first trimester screen and ___ from MSS

Back 43

NTUS
PAPP-A
all markers

Front 44

5 causes of elevated AFP

Back 44

wrong dating
multiple gestation
NTD
fetal demise
abdominal wall defects

Front 45

4 causes of low AFP

Back 45

wrong dating
missed abortion
chromosomal anomaly
gestational trophoblastic neoplasia

Front 46

6 risk factors for neonatal GBS

Back 46

GBS bacteruria during current pregnancy
+ve GBS screen during current pregnancy
prior infant had GBS
preterm labor
PROM
fever

Front 47

prophylactic antiobiotics are given if ___ (2)

Back 47

GBS screen is +ve
GBS status unknown and RF present

Front 48

3 indications for amniocentesis

Back 48

identification of genetic anomalies
assessment of fetal lung maturity
measure bilirubin level

Front 49

amnio may be done at ___ w

Back 49

from 15 and on

Front 50

CVS may be done at ___ w

Back 50

10--12

Front 51

advantage of CVS over amnio

Back 51

can be done earlier

Front 52

2 advantages of amnio over CVS

Back 52

lower risk of abortion
better genetic dx (no problems with mosaicism)