Normal Obstetrics

Question 1

Fetal movement in primigravida? multigravida?

Answer 1

Primigravida: 18-20 weeks
Multigravida: 16-18 weeks

Question 2

When is hCG detected in maternal serum? when does it peak?

Answer 2

8-9 days after ovulation

plateau: 16 weeks

Question 3

hCG produced by

Answer 3

syncitiotrophoblasts

Question 4

Inc hCG conditions

Answer 4

multiple pregnancy, molar pregnancy, exogenous injection, impaired renal clearance, hCG-secreting tumors

Question 5

when is the sonographic detection of gestational sac?

Answer 5

4-5 wks

Question 6

when is the sonographic detection of yolk sac?

Answer 6

middle of the 5th week

Question 7

when is the sonographic detection of embryo

Answer 7

> 6 wks

Question 8

when is fetal heart sounds appreciated in Doppler UTZ? Stethoscope?

Answer 8

10 wks

20 wks

Question 9

Dose of folic acid to prevent NTDs? if with previous NTD?

Answer 9

400 mcg/day

4 mg/day

Question 10

immunization schedule of TDaP in pregnancy?

Answer 10

IM (3 doses): 0, 1, 6-12 mos

Question 11

immunization schedule of influenza vaccine in pregnancy?

Answer 11

IM (1 dose) once a year

Question 12

immunization schedule of hepatitis B vaccine in pregnancy?

Answer 12

IM (3 doses): 0, 1, 6 mos

Question 13

normal fetal activity?

Answer 13

10 fetal movements in up to 2 hours in normal

Question 14

Satisfactory test in CST

Answer 14

3 or more contractions
40 seconds or more
10-minute period

Question 15

Positive CST

Answer 15

abnormal

late fetal heart deceleration due to U-P insufficiency

Question 16

CST is for?

NST is for?

Answer 16

CST- uteroplacental function

NST- test of fetal condition

Question 17

Components of BPS

Answer 17

nonstress test
fetal breathing 
fetal movement 
fetal tone 
amniotic fluid volume

Question 18

BPS parameter 1st affected by hypoxia

Answer 18

Fetal Heart Activity

Question 19

BPS parameter last affected by hypoxia

Answer 19

Fetal Tone

Question 20

Normal baseline FHR

Answer 20

110-160

Question 21

Normal baseline variability

Answer 21

Moderate: amplitude 6-25 bpm

Question 22

Acceleration is defined as?

Answer 22

> /= 32 wks: acceleration >15 bpm from baseline, lasts for > 15 secs, <2 mins from onset to return

If < 32 weeks: >/-= 10 bpm from baseline

Prolonged: acceleration lasts > 2mins but <10 mins duration

Question 23

MC deceleration pattern due to umbilical cord occlusion

Answer 23

Variable deceleration

Question 24

4 phases of parturition

Answer 24

QuASI

Quiescence, Activation, Stimulation, Involution

Question 25

Cervical stretching during dilatation

Answer 25

Ferguson reflex

Question 26

Bishop’s score is used to

Answer 26

predict labor induction outcomes
assess cervical favorability
score of 9: high likelihood of successful induction
score =4: unfavorable cervix; indication of cervical ripening

Question 27

Components of Bishop score

Answer 27

Position, consistency, effacement, dilation, station

Question 28

Prolonged latent phase

Answer 28

Nullipara: >20 hrs
Multipara: >14 hrs

Question 29

Rate of cervical dilatation

Answer 29

Nullipara: 1.2 cm/hr
Multipara: 1.5 cm/hr

Question 30

True/anatomic conjugate

Answer 30

11 cm

Question 31

Obstetric conjugate

Answer 31

> 10 cm

Question 32

Diagonal conjugate

Answer 32

> 11.5 cm

Question 33

Signs of placental separation

Answer 33

Sudden gush of blood
Globular and firmer fundus
Lengthening of umbilical cord
Rise of uterus into the abdomen

Question 34

When will kidney from mesonephric duct form?

Answer 34

4th-5th week