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Unit C - Conception, Pregnacy, Antepartum > Unit C - Conception, Pregnacy, Antepartum > Flashcards

Unit C - Conception, Pregnacy, Antepartum Flashcards

1
Q

what is the union of sperm and ovum called?

A

ampulla

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2
Q

The sperm travels from ___ to the ____?

A

vagina to fallopian tube

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3
Q

What does the chemical change in the fertilization process do?

A

Prevents other sperm penetration

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4
Q

After the egg is fertilized it is called a ____?

A

zygote

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5
Q

How long does zygote migration take?

A

3-4 days

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6
Q

What is the cleavage (mitotic) cell division phases? (3)

A

Morula -> Blastocyst -> embryo/embryonic membrane

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7
Q

What is the endometrium?

A

The outside lining of the uterus

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8
Q

What is the endometrium called after implantation?

A

Decidua

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9
Q

When does cell differentiation occur?

A

After implantation

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10
Q

what is the function of the chorion?

A

fetal side of placenta & blood vessels covering the placenta

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11
Q

what is the function of the Amnion?

A

amniotic cavity (bag of waters), covers the vessels, & fetal surface of the placenta

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12
Q

what are the layers of the primary germ layers? from outer in?

A

ectoderm, mesoderm, endoderm

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13
Q

what is the function of the amniotic fluid?

A

maintain temperature, prevent the sac from attaching to the fetal skin, allows for symmetric growth of the fetus, allows for fetal movement, acts as a cushion, protects the umbilical cord.

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14
Q

what is the umbilical cord formed from?

A

the amnion

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15
Q

arteries carry blood ______ to the fetus?

A

away

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16
Q

veins carry blood _____ to the fetus?

A

towards

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17
Q

average length of umbilical cord at birth?

A

55 cm, range from 30-90 cm

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18
Q

what is the function of the placenta?

A

fetal respiration, nutrition, and excretions. It also helps with hormones.

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19
Q

what hormones are founds in the placenta?

A

progesterone, estrogen, hCG, hPL(human placental lactogen)

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20
Q

what are the physiological diversions?

A

foramen ovale, ductus arteriosus, ductus venus

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21
Q

how does pre-birth circulation occur?

A

blood enters the body through the umbilical vein. waste is returned though the umbilical artery.

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22
Q

how does post-birth circulation occur?

A

Foramen ovale closes within 2 hours after birth –Ductus arteriosus closes within 15 hours –Ductus venosus closes functionally when cord is cut

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23
Q

what is the zygote time frame?

A

day 1 to 14

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24
Q

when is the embryonic time frame?

A

day 15 to 8 weeks. 3cm long

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25
Q

when is the fetus time frame?

A

week 9 to birth

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26
Q

during the embryonic phase what are being developed?

A

organ systems and external features.

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27
Q

during _____ phase the baby is at increased risk for harm due to teratogens?

A

embryonic

28
Q

during the _____ phase they are less at risk from teratogen, except for those that effect the CNS?

A

fetus stage

29
Q

when is a fetus viable for birth?

A

20 weeks. when they weigh 500g

30
Q

what are teratogens?

A

alcohol, drugs, chemicals, infections, maternal conditions, exposure to radiation.

31
Q

what is antepartum?

A

pre-birth

32
Q

what is intrapartum?

A

during birth

33
Q

what is postpartum?

A

after-birth

34
Q

a woman who is pregnant is called?

A

Gravida

35
Q

a woman who has never been pregnant is called?

A

Nulligravida

36
Q

the first pregnancy is called?

A

Primigravida

37
Q

when a woman has had two or more pregnancies it is called?

A

Multigravida

38
Q

what does Gravidity mean?

A

pregnancy

39
Q

what does parity mean?

A

number of pregnancies in which fetus or fetuses have reached viability, not number of fetuses born

40
Q

what is it called when a woman has reached fetal viability but not yet gave birth?

A

Nullipara

41
Q

what is it called when a woman completed one pregnancy of fetal viability?

A

primipara

42
Q

what is it called when a woman has reached two or more pregnancies to fatal viability?

A

mulitpara

43
Q

what is the length of full-term pregnancy?

A

37-41 weeks

44
Q

when is it considered pre-term pregnancy?

A

when birth occurs after 20 weeks.

45
Q

when is it considered post-term pregnancy?

A

after 42 weeks.

46
Q

how do you do Nägele’s rule?

A

1) identify the first day of LMP
2) count back 3 months
3) add 7 days

47
Q

what is Nägele’s rule used to determine?

A

estimated date of birth

48
Q

what is the time frame for the first trimester?

A

week 1-13

49
Q

what is the time frame for the second trimester?

A

week 14-26

50
Q

what is the time frame for the third trimester?

A

week 27-40

51
Q

what are some of the first signs of pregnancy?

A

missed period, Amenorrhea, nausea, vomiting, breast tenderness, urinary frequency, fatigue, quickening

52
Q

what is quickening?

A

feeling the fetus’ movement

53
Q

what are some PROBABLE ways of determining pregnancy?

A

pregnancy tests, uterine enlargement, Braxton Hicks contractions

54
Q

what are positive indicators for pregnancy?

A

fetal heart beat, feeling fetal movement by other person, and ultra sound

55
Q

what happens to the uterus when pregnant?

A

changes in size/shape

56
Q

what happens to the cervic when pregnant?

A

it gains a mucus plug

57
Q

what happens to the ovaries during pregnancy?

A

it produces progesterone

58
Q

what happens to the vagina during pregnancy?

A

its pH decreases

59
Q

what happens to breasts during pregnancy?

A

They become full/heavy.
heightened sensitivity
Areolae become more pigmented
produce colostrum

60
Q

what is supine hypertension syndrome?

A

when a woman lies flat on her back and it causes the inferior vena cava blood flow to be stopped.

61
Q

what can supine hypertension syndrome lead to?

A

fetal hypoxia

62
Q

what are danger signs for pregnancy?

A

sudden gush of fluid from vagina, vaginal bleeding, abdominal pain, excessive vomiting, reduced urine output

63
Q

what are danger signs for pregnancy?

A

epigastric pain, edema on face/hands, severe headache, blurred vision and a temp over 100.4F

64
Q

preterm labor occurs between week ___ and week ____?

A

20 & 37

65
Q

signs/symptoms of preterm labor?

A

cramping, abdominal pain, and back aching

66
Q

corticoids used for preterm labor?

A

betamethasone

Unit C - Conception, Pregnacy, Antepartum (1 decks)

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