Parturition Flashcards

1
Q

what is parturition

A

labour, delivery, birth

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2
Q

what does parturition reuire

A

dilation

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3
Q

what are braxton hicks contractions

A

weak spontaneous contraction during the second to third trimester

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4
Q

what is prodromal labour

A

consistent uncomfortable contractions without dilation, cervix softening under influence of relaxin, mucous plug expelled

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5
Q

what are the triggers of parturition

A

high oestrogen
oxytocin
corticotrphin
inflammation

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6
Q

what is oxytocin

A

powerful muscle stimulant

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7
Q

what is the progression of parturition

A

contractions brgin at labour onset
driven by oxytocin secretion
stops once delivery is over

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8
Q

what are breast composed of

A

mainly adipose tissue with basic duct system

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9
Q

what do lactiferous ducts carry

A

secretions to the outside

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10
Q

how do the breasts develop for lactation

A

elevated placental oestrogen and progesterone promote development of ducts and alveoli in mammary glands
during first months of pregnancy
prolactin - prevents lactation

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11
Q

how is lactation stimulated

A

suckling

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12
Q

what are the triggers that release oxytocin

A

myoepithelium to squeeze secreted milk through ducts

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13
Q

what are the triggers that release prolactin

A

stimulates synthesis of enzymes for milk production by alveolar epithelial cells
stimulates secretion of more milk to replace ejected when baby nurse

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14
Q
A
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