Breast feeding Flashcards

1
Q

What is the puerperium?

A

time after childbirth lasting 6-8 weeks

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2
Q

What is meant by involution of the uterus

A

Uterus returns to pre-pregnant state

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3
Q

From what point can the fundus no longer be palpated

A

10 days (reduced to size below pubis symphysis)

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4
Q

How does the myometrium change during involution

A

Returns to normal thickness by ischaemia, autolysis and phagocytosis

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5
Q

How does the decidua change during involution?

A

Lining shed as locia, regeneration of endometrium

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6
Q

What happens during ischaemia of the myometrium

A

Contraction of empty uterus and apposition of uterine walls applying pressure to placental site
Reduction of blood supply to uterus
Resulting deoxygenation

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7
Q

What happens during autolysis of myometrium

A

Self-ingestion of myometrial cells by proteolytic enzymes resulting in reduction in size
Removal of reducant actin and myosin muscle fibre

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8
Q

What happens during phagocytosis of myometrium

A

Phagocytes engulf and remove waste products of autolysis which are eliminated by kidneys

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9
Q

What is lochia

A

Vaginal loss during the puerperium

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10
Q

How long is lochia red for?

A

3 days

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11
Q

How long is lochia pink for?

A

10 days

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12
Q

How long is lochia yellow for?

A

3-6 weeks

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13
Q

How does plasma volume change?

A

Reduction in plasma volume within 10 days

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14
Q

How does cardiac output, heart rate and stroke volume change?

A

Reduction to pre labour value after 24-72 hours

Decline to non-pregnant value 6-8 weeks

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15
Q

Why are women no longer short of breath after giving birth?

A

Reduction in compression of lungs due to reduction in uterine size leading to full inflation

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16
Q

Why do women no longer hyperventilate after giving birth?

A

Less oxygen demand as reduction in cardiac work and circulatory volume

17
Q

How does sensitivity of central and peripheral nervous system change after giving birth

A

Increased sensitivity experienced during pregnancy but returns to normal 36 hours post partum

18
Q

What hormone is responsible for hyperpigmentation of certain parts of the body?

A

Melanocyte

19
Q

What hormone is responsible of ligamentous relaxation during pregnancy, leading to lordosis

A

Relaxin

20
Q

How long before relaxin levels return to normal

A

5 months

21
Q

How many lobes and lobules is breast made up of?

A

15-25 lobes

20-40 lobules

22
Q

Define mamogenesis

A

Mammary duct gland growth and development

23
Q

Define lactogenesis

A

Initiation of milk secretion in alveoli

24
Q

Define galactokinesis

A

Removal of milk from gland

25
Q

How does oestrogen affect breasts?

A

Growth of lactigerous ducts and tubules and increase in breast size

26
Q

How does progesterone, prolactin and HPL affect breasts?

A

Proliferation and enlargement of alveoli

Promote fat deposition and stimulates development of lobes and lobules

27
Q

What is happening to breasts at week 12

A

Nipple and areola become more pigmented

28
Q

What is happening to breast at week 16

A

Colostrum formed

29
Q

What happens in lactogenesis 1?

A

Initiation of milk secretion in breast tissue during

30
Q

What happens in lactogenesis 2?

A

Production of colostrum and transitional milk followin fall im plasma progesterone

31
Q

What happens in lactogenesis 3?

A

Maintenance of established lactation and removal of milk by baby

32
Q

Where is prolactin secreted

A

Anterior pituitary gland

33
Q

Where is oxytocin secreted

A

Posterior pituitary gland

34
Q

Advantages for baby breast feeding

A
Protection from infectious diseases
Less chance of vomiting
Fewer chest and ear infections
Balanced nutrients
Reduced allergy incidence
Free
Temperature
35
Q

Advantages of breast feeding for mother

A

Lowers risk of getting breast and ovarian cancer
Saves money
Strong physical and emotional bond
Lose weight

36
Q

Disadvantages of breast feeding

A

Father unable to feed
Some women find it stressful
Sometimes difficult to wean baby of breast

37
Q

Why do some women have sore nipples during lactation

A

Incorrect positioning ttachment- friction

38
Q

What is engorgement

A

Build up of milk in ducts
Feels hard and lumpy
Caused by insufficient emptying breast

39
Q

What is mastisis

A

Milk stasis and ifnection- if milk is not removed will back track