Stages Of Labour
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Transcript of Stages Of Labour
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MPS 102
The stages of labour
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There are three stages of labour
First stage
Third stage
Second stage
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First stage of labour
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First stage: Latent Phase
• Not everyone will experience latent phase labour• Some changes can happen to the cervix during
the end of pregnancy in response to Braxton Hicks contractions
• Latent phase labour can be tiring and painful for some women.
• During this phase the cervix is softening, effacing and dilating to 2 to 3 cms
• Progress in this stage is often slow and may continue over a period of days
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• During the active phase the cervix thins and opens
• Thinning = Effacement• Opening = Dilation.• The cervix is usually fully effaced by 5cms
dilation• Dilation is usually slower to 5cms, dilation
happens quicker after this• When dilation gets to 7 to 8 cms the labour
becomes more intense
First stage: Active phase
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• Around 7 to 8 cms dilation labour usually becomes more intense
• Women often become restless and may become anxious
• Reassurance that labour is progressing well and that the end is in sight is helpful
• Women may start to feel some pressure and occasional expulsive urges but these are controllable by breathing through contractions
• Women may need to use a birth pool, shower or might want to use some Entenox at this time
First stage: Transition
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• The second stage of labour begins when the cervix is fully open to 10 cms
• This is when the woman feels an overwhelming urge to bear down
• As the foetus descends into the vagina there is pressure on the anus which pouts
• The foetal head will become visible at the introitus, initially appearing and disappearing between contractions
• Once the head is crowned it does not recede between contractions
• The foetus moves through the birth canal and is completely born
Second stage of labour
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Foetal head crowning with
woman kneeling
Anus Pouting
Perineum stretching
Head crowning
Vulva
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• Once the baby is born the third stage of labour commences
• After a pause the uterus begins to contract again• The fundus will be felt to rise and become firm just above
the umbilicus• The contraction and retraction of the uterine muscle
reduces the size of the placental site and the placenta separates from the wall of the uterus
• A clot forms behind the placenta helping with separation• The placenta and membranes fall into the lower uterine
segment and the woman feels an urge to bear down• The woman is supported in an upright position and the
placenta and membranes are born• The third stage is complete once the placenta and
membranes are born and any bleeding is controlled.
Third stage of labour
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Uterus
PlacentaRectum
Urinary bladder
Cord
Placenta separated, ready to be born
SymphisisPubis