Prenatal, Parturition Flashcards Preview

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Flashcards in Prenatal, Parturition Deck (34):
1

Fetal movement can be felt by a multigravid as early as

16 weeks

2

Fetal movement can be felt by a primigravid as early as

18 weeks

3

HCG is produced by this cell

Syncytiotrophoblast

4

Most accurate tool for gestational age assignment

Crown rump length

5

Fetal heart sounds csn be appreciated by doppler and stethoscope at what weeks AOG

10 weeks Doppler
16 weeks stethoscope

6

Normal weight gain per week in the 2nd and 3rd trimester

1 pound per week

7

Folate supplement for all women

0.4-0.8 mg per day

8

Folate supplement that can prevent NTD

400mcg

9

Contraindicated vaccines in pregnancy

MMR
Varicella
HPV

10

Normal amount of fetal movements

10 in 2 hours

11

Components of biophysical profile

NB MAT

Nonstress test
Breathing
Movement
Tone
Amniotic fluid volume

12

Baseline change in acceleration occurs when acceleration lasts

>10 mins

13

Prolonged acceleration occurs when acceleration lasts

>2 mins but <10mins

14

Most common deceleration pattern

Variable

15

What nerve is responsible for the decrease in FHR in late deceleration?

Vagal nerve

16

What are the phases of parturition

Quiescence
Activation
Stimulation
Involution

17

Which phase of parturition corresponds to the stages of labor?

Phase 3

18

Braxton Hicks contraction is in what phase of parturition

Phase 1

19

Women with these syndromes have greater prevalence of cervical incompetence

Ehlers Danlos
Marfan

20

Myometrial changes in the 2nd phase of parturition include increase in uterine irritability and responsiveness to uterotonics due to expression of

Contraction associated proteins

21

Formation of the lower uterine segment is brought about by this part of the uterus

Isthmus

22

During cervical ripening, these glands occupy most of the cervix

Endocervical glands

23

Cervical stretching during dilatation is called this reflex

Ferguson reflex

24

More passive part of the uterus during labor

Lower segment

25

Structure in the uterus where there is lower segment thinning and upper segment thickening

Physiologic retraction ring

26

Also called the pathologic retraction ring where there is extreme lower segment thinning

Bandl ring

27

Most important force in fetal expulsion

Maternal pushing

28

This is the leading portion of fluid and amniotic sac, located in front of the presenting part

Formed during the process of cervical effacement and dilatation

Forebag

29

Curve/pattern of cervical dilation during the preparatory and dilatational division of labor

Sigmoid

30

Curve/pattern formed when the station of the fetal head is plotted as a function of labor duration

Hyperbolic

31

Station 0 corresponds to what anatomical part of the pelvis

Ischial spine

32

Most important pelvic floor structure

Levator ani

33

Weakest layer of the placenta that separates from the implantation site

Decidua spongiosa

34

Terbutaline can cause uterine relaxation by

Increase cAMP levels- decreased calcium- relax uterus