Local Changes in Pregnancy Flashcards

1
Q

Length, Depth, Width, Weight change of Uterus.

A

Length grows from approx. 6.5 to 32 cm.
Depth increases from 2.5 to 22 cm.
Width expands from 4 to 24 cm
Weight increases from 50 to 1,000 grams.

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2
Q

The house of a full term baby

A

Uterus

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3
Q

Thickness of uterine wall in early pregnancy

A

1cm to 2cm

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4
Q

Thickness of uterine wall in end of pregnancy

A

0.5cm

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5
Q

Hormone that causes the formation of new muscle fibers in the uterine
myometrium.

A

Progesterone

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6
Q

Hormone that causes the stretching of existing muscle fibers

A

Estrogen

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7
Q

It allows the uterus to withstand the
stretching of its muscle fibers

A

Fibroelastic tissue

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8
Q

What hormone causes growth of uterus in pregnancy?

A

Estrogen and Progesterone

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9
Q

Part of the uterus that is responsible for contractions

A

Myometrium

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10
Q

How progesterone regulates muscle contraction?

A

By maintaining a decreased level of vascular tone in the myometrium

If the vascular tone is increase in myometrium, there
is also an increased in contractility

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11
Q

Hormone that regulates muscle contraction

A

Progesterone

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12
Q

When does the stretching of existing muscle fibers happen?

A

5 months gestation

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13
Q

Height of fundus in 12th week

A

above symphysis pubis

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14
Q

Height of fundus on 20th or 22nd week

A

Level of umbilicus

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15
Q

Height of fundus on 36th week

A

Xiphoid process

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16
Q

What happens on the 38th week?

A

Lightening

17
Q

Volume of uterus increase

A

2 ml to more than 1,000 ml

18
Q

What is Hegar’s Sign

A

Extreme softening of the lower uterine segments

19
Q

“To toss about”

A

Ballottement

20
Q

When should ballottement be demonstrated by a bimanual examination?

A

16 to 20 weeks

21
Q

False labor

A

Braxton Hicks Contractions

22
Q

It increases placental perfusion

A

Braxton Hicks Contractions

23
Q

Hormone that causes cervix to be edematous and vascular

A

Estrogen

24
Q

The mucus plug in the cervical
canal

A

Operculum

25
Q

It is increased cell production in a normal tissue or organ

A

Hyperplasia

26
Q

It is the increase in the volume of an organ or tissue due to the enlargement of its component cells.

A

Hypertrophy

27
Q

The shortening and thinning of the cervix

A

Effacement

27
Q

It is the softening of the cervix

A

Goodell’s sign

28
Q

a deep violet color of the vaginal wall
as a result of increase vascularity/circulation

A

Chadwick’s Sign

29
Q

Hormone that causes increase in vascularity or circulation

A

Estrogen

30
Q

Increase in the activity of epithelial cells

A

Leukorrhea

31
Q

PH of the vagina when pregnant

A

4 to 5

acidic

32
Q

It makes the vagina resistant to bacterial invasion

A

Increase lactic acid content

Lactobacillus acidophilus

33
Q

It produces Estrogen and Progesterone in early pregnancy

A

Corpus Luteum

34
Q

Up until what week does the CL increase in size

A

16th week

regresses in size once placenta takes over

35
Q

Absence of Menstruation

A

Amenorrhea

36
Q

Cause of Amenorrhea

A

Suppressed FSH due to increased estrogen levels