Lesson 1

Question 1

vagina is like an..

Answer 1

acordian

Question 2

how many eggs

Answer 2

1-2 million

only 300 make it close to the end

Question 3

LMP

Answer 3

last menstrual period

Question 4

gravida

Answer 4

of pregnancies

Question 5

parity

Answer 5

of live births

Question 6

endometriosis

Answer 6

when endometrial tissue grows outside the uterus

Question 7

1st trimester

Answer 7

1-12 weeks

egg meets sperm
uterine line thickens
ovulation has taken place

Question 8

2nd trimester

Answer 8

13-27 weeks

sex becomes apparent
bones develop
hair is visible
ears form

Question 9

3rd trimester

Answer 9

28-40 weeks

bones are fully developed
eyes open
weight gain (chubby limbs)
CNS is matured

Question 10

weeks 1-2

Answer 10

not actually pregnant

40 weeks from last period is due date

Question 11

week 3

Answer 11

fertilization
happens in ampulla
forms zygote
zygote travels to uterus via fallopian tubes
morula becomes blastocyst

Question 12

weeks 4

Answer 12

major organ formation 
implantation 
uterus has 2 sections trophoblast and embryo blast 
blastocyst becomes implanted
placenta forms

Question 13

outer mass of uterus

Answer 13

trophoblast

nourish and protect

Question 14

inner mass of uterus

Answer 14

embryo blast

becomes embryo

Question 15

placenta

Answer 15

serves as an early liver 
gas exchange 
heat transfer
waste removal 
"endocrine gland"

Question 16

umbilical cord

Answer 16

2 arteries
1 vein
connects placenta to fetus

Question 17

amniotic sac

Answer 17

fetus swallows it and passes out waste

Question 18

fetal circulation

Answer 18

umbilical vein - oxygenated blood
umbilical arteries - deoxygenated blood
bypass lungs until birth

Question 19

week 5

Answer 19

egg is now embryo

Question 20

embryo layers

Answer 20

endoderm
mesoderm
ectoderm

Question 21

what trimester has the most miscarriages?

Answer 21

first one

Question 22

week 37

Answer 22

head descends to pelvis

Question 23

cervix

Answer 23

mucus plug

Question 24

maternal changes ovaries

Answer 24

inhibited ripening of the follicles

Question 25

maternal changes uterus

Answer 25

most significant changes happen here 
35cm long (from 8)
weighs 1kg (from 2g)
holds 5000ml (from 10ml)

Question 26

uterus sizes
7 weeks
10 weeks
12 weeks

Answer 26

egg
orange
rises out of pelvis

Question 27

t/f RBC and WBC decrease with pregnancy

Answer 27

F! increase

Question 28

what part of the heart grows during pregnancy

Answer 28

left ventricle

Question 29

how much does HR increase

Answer 29

15-20 BPM

Question 30

labour position

Answer 30

supine
knees apart
CO can increase 25% from uterine contractions

Question 31

how much does maternal oxygen demand increaser by?

Answer 31

20%

Question 32

TV increases by…

Answer 32

30% at first then 40-50%

Question 33

pregnancy weight gain

Answer 33

11-16kg

Question 34

relaxin

Answer 34

hormone

collagenous tissues soften