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1 - Obs and Gynae AE > The puerperium > Flashcards

The puerperium Flashcards

1
Q

What is the puerperium?

A

The 6 week period following delivery when the body returns to its prepregnant state

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2
Q

What happens to the genital tract immediately after the placenta has separated from the uterus?

A

The uterus contracts and the criss-cross fibres of myometrium occlude the blood vessels that formerly supplied the placenta.

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3
Q

How long does it take for the uterus to shrink again?

A

Uterine size reduces over 6 weeks: within 10 days the uterus is no longer palpable abdominally

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4
Q

Do you get any pain after labour?

A

Contractions or ‘after pain’ may be felt for 4 days

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5
Q

Is discharge normal after pregnancy?

A

Lochia, a discharge from the uterus, may be blood stained for 4 weeks, but thereafter is yellow or white.

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6
Q

When does menstruation start again after pregnancy?

A

It is usually delayed by lactation, but occurs at about 6 weeks if the woman is not lactating

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7
Q

How does the cardiac output and plasma volume change after delivery?

A

They decrease to pre-pregnancy levels within a week

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8
Q

What hormones is lactation dependent upon?

A

Prolactin and oxytocin

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9
Q

What does prolactin do and where is it secreted from?

A

It is from the anterior pituitary gland and stimulates milk secretion

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10
Q

What stimulated the first milk secretion after delivery and why?

A

Levels of prolactin are high at birth, but it is the rapid decline in oestrogen and progesterone levels after birth that causes milk to be secreted, because prolactin is antagonised by oestrogen and progesterone

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11
Q

What does oxytocin do and where is it from?

A

From the posterior pituitary and stimulates ejection in response to nipple suckling, which also stimulates more prolactin release and therefore milk secretion.

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12
Q

How much milk can be produced in a day?

A

Over 1L, dependent on demand

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13
Q

How can emotional and physical stress effect lactation?

A

Since oxytocin release is controlled via the hypothalamus, lactation can be inhibited by emotional or physical stress

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14
Q

What is colostrum and when is it released?

A

It is a yellow fluid containing fat-laden cells, proteins (IgA) and minerals, is passed for the first 3 days, before the milk ‘comes in’

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15
Q

What are the advantages of breastfeeding?

A 
Protection against infection in neonate
Bonding
Protection against cancers (mother)
Cannot give too much
Cost saving
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16
Q

When is postnatal contraception started again?

A

Usually 4-6 weeks after delivery, but COC is contraindicated during breastfeeding

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17
Q

What is primary postpartum haemorrhage? (PPH)

A

The loss of >500mL blood <24h of delivery.

18
Q

What are the main causes of PPH?

A 
Retained placenta
Uterine causes
Vaginal causes
Cervical tears
Coagulopathy
19
Q

How does retained placenta cause PPH?

A

Partial separation can cause blood to accumulate in the uterus, which will rise. Collapse may occur in the absence of external loss

20
Q

What are the uterine causes of PPH?

A

The uterus fails to contract properly, either because it is ‘atonic’ or because there is a retained placenta, or part of the placenta.

21
Q

What are the risk factors for uterine atony?

A

Prolonged labour, with grand multiparity and with overdistension of the uterus and fibroids

22
Q

How do you prevent PPH?

A

Routine use of oxytocin in the third stage of labour reduces the incidence of PPH by 60%.

23
Q

What are the clinical features of PPH and how do they identify a cause?

A

An enlarged uterus suggests a uterine cause.
The vaginal walls and cervix are inspected for tears. Occasionally, blood loss may be abdominal: there is collapse without pain or over bleeding.

24
Q

How would you manage PPH caused by retained placenta?

A

The retained placenta should be removed manually if there is bleeding, or if it is not expelled by normal methods within 60 minutes of delivery.

25
Q

How would you manage PPH caused by uterine atony?

A

Give oxytocin. If it persists, give prostaglandin F2 (PGF2) injected into the myometrium

26
Q

How would you manage persistent PPH?

A

Placement of a Rusch balloon, brace suture and uterine artery embolization; hysterectomy

27
Q

What is secondary PPH?

A

‘Excessive’ blood loss occurring between 24h and 6 weeks after delivery.

28
Q

What causes secondary PPH?

A

Endometritis, with or without retained placental tissue, or, rarely, incidental gynaecological pathology.

29
Q

What are the findings on examination in secondary PPH?

A

The uterus is enlarged and tender with an open internal cervical os.

30
Q

How do you manage secondary PPH?

A

Identify and remove and retained placenta, give antibiotics

31
Q

What are some problems of the puerperium?

A 
Postpartum pyrexia
Thromboembolic disease
Psychiatric problems
Hypertensive complications
Urinary retention or incontinence
Perineal trauma
Bowel problems
32
Q

What and how common is the third day blues?

A

It consists of temporary emotional lability, it affects 50% of women. Support and reassurance are required

33
Q

What are the risk factors for postnatal depression?

A

Socially or emotional isolation; a previous history; after pregnancy complications

34
Q

How does postpartum depression feel?

A

Tiredness, guilt and worthlessness

35
Q

When does puerperal psychosis present?

A

Abrupt onset of psychotic symtpoms, usually around the fourth day.

36
Q

How do you treat puerperal psychosis?

A

Psychiatric admission and major tranquilisers, after exclusion of organic illness

37
Q

What urinary complications are common after delivery?

A

Urinary retention, infection and incontinence

38
Q

How long does perineal pain usually last for?

A

It persists for more than 8 weeks in 10%. Superficial dyspareunia is common, even years later.

39
Q

What can be used to treat perineal pain?

A

The anti-inflammatory diclofenac

40
Q

What bowel problems are common after delivery?

A

Constipation and haemorrhoids; incontinence of faeces or flatus

41
Q

What are the main risk factors for incontinence in the puerperium?

A

Forceps delivery, large babies, should dystocia and persistent occipito-posterior positions

1 - Obs and Gynae AE (29 decks)

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