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Third stage of labor: events &
management
Prophylaxis of PPH
Labor
• Physiological process
• The products of conception passed form uterus to
outside world
• Normal labour: spontaneous in onset, at term, vertex
presentation, natural termination without any
complications affecting health of mother &/or
newborn
• Three stages of labor
Stages of labour
• First stage : onset of true labour pains to full
dilatation of cervix
• Second stage: full dilatation of cervix to
expulsion of fetus from birth canal
• Third stage: after expulsion of fetus to
expulsion of placenta & membranes
(afterbirths)
Third stage: events
• After expulsion of fetus to expulsion of
placenta & membranes (afterbirths)
• Duration :15 min.(primigravida multigravida)
• AMTSL:5 minutes
• Placental separation
• Placental expulsion
Placental separation
• Sudden diminution in uterine size following
delivery of fetus
• Limited placental elasticity
• Creates disproportion between two
• Placenta buckles : placental separation
• Spongy layer of decidua basalis
• 2 ways : central, marginal separation
Methods of placental separation
Central ( Schultze) separation
Marginal (Mathews Duncan) separation
Expulsion of placenta
• Contraction & retraction of Upper Uterine
Segment
• Placenta forced to lie in LUS/upper vagina
• Voluntary contraction of abdominal muscles
• Expulsion of placenta
Mechanisms to control bleeding
1. Effective retraction of
uterine muscles :
Living ligatures
2. Thrombosis of torn
sinuses
3. Myotamponade:
apposition of walls of
the uterus
Management of third stage
• Most crucial stage
• Strict vigilance
• Follow protocols
• Expectant management
• Active management
Expectant management
• Look for 3 classic signs of placental separation
– Lengthening of U. cord
– A gush of blood from vagina signifying separation
of placenta from uterine wall
– Change in shape of uterine fundus from discoid to
globular with elevation of fundal height
• Spontaneous/Controlled cord traction (CCT)
• Expulsion of placenta :20 minutes
CCT
• Modified Brandt Andrews method
• Left hand: palmar surface of fingers placed above
pubic symphysis. Body of uterus pushed upwards
& backwards
• Right hand: cord traction in downward &
backward direction
• Uterus feels hard, contracted
Expectant management
• Massage the uterus
• Intramuscular Oxytocin : 10 IU
• Examination of placenta ,membranes, cord
• Inspect vulva, vagina & perineum
Examination of placenta ,membranes
Examination of membranes, cord
Active management
• AMTSL: Active Management of Third Stage of Labour
– Prophylactic uterotonic after delivery of baby
( Oxytocin 10 IU ,IM)
– cord clamping, cutting & Controlled cord traction
of U cord
– Uterine massage
• Excites powerful uterine contractions ,aid in early
placental separation, minimises blood loss &
duration of third stage (5 min.)
Third stage
• Most crucial
• Life threatening complications
• PPH(postpartum haemorrhage)
• Retained placenta
• Inversion of uterus
• Pulmonary embolism
Prophylaxis of PPH
PPH: hard facts
• Globally in 10-11% women having live births
• Duration between onset of massive bleeding
& death: 2 hours
• 14 million women worldwide
• 1.4 million women die annually
• India : 15-25% of maternal deaths due to PPH
stage Approximate
blood
loss(ml)
Volume
loss(%)
Signs & symptoms
0 <500 <10 none
ALERT LINE
1 500-1000 15 None/minimal
ACTION LINE
2 1000-1500 20-25 ↓ urine output,↑ PR,↑ RR,
postural hypotension,
narrow pulse pressure
3 1500-2000 30-35 Hypotension, tachycardia,
cold clammy extremities
,tachypnea
4 >2000 >40 Profound shock
PPH
• Primary PPH
– Haemorrhage <24 hrs of birth
• Secondary PPH
– Haemorrhage >24 hrs till 6 weeks of birth
• Primary PPH: 4T’s
– Tone
– Trauma
– Tissue
– Thrombosis
Primary PPH:causes
PPH : risk factors
Prophylaxis of PPH
• Improvement of health status of mother(Hb>11gm%)
• Identify high risk women
• Plan for institutional delivery /SBA
• Strict vigilance of all women in 3rd
stage labor
• Practice AMTSL in all
• Examination of afterbirths ,should be a routine
• Explore Uterovaginal canal following difficult/
instrumental, destructive delivery
WHO GUIDELINES FOR
PROPHYLAXIS OF PPH
WHO guidelines
WHO guidelines
WHO guidelines
WHO guidelines
• Give uterotonics routinely during 3rd
stage labor, in
all births
• Oxytocin 10 IU IM is drug of choice
• Use other uterotonics only when Oxytocin is not
available
• Late cord clamping( 1-3 min after birth) is
recommended
• Early cord clamping (<1min of birth): not
recommended until the neonate is asphyxiated &
needs immediate resuscitation
MCQ1
• Labor is said to be normal if all are present
except:
1.At term
2.Breech presentation
3.Spontaneous in onset
4.Healthy mother & neonate after delivery
MCQ1
• Labor is said to be normal if all are present
except:
1.At term
2.Breech presentation
3.Spontaneous in onset
4.Healthy mother & neonate after delivery
MCQ2
• Regarding the third stage of labor, following is
not true:
1.Most crucial stage of labor
2.Duration is 15 minutes
3.Uterine inversion is most common
complication
4.AMTSL is routine in all
MCQ2
• Regarding the third stage of labor, following is
not true:
1.Most crucial stage of labor
2.Duration is 15 minutes
3.Uterine inversion is most common
complication
4.AMTSL is routine in all
MCQ3
• The uterotonic of choice for prophylaxis of
PPH in third stage of labor is
1.Syntometrine
2.Oxytocin
3.Misoprostol
4.carboprost
MCQ3
• The uterotonic of choice for prophylaxis of
PPH in third stage of labor is
1.Syntometrine
2.Oxytocin
3.Misoprostol
4.carboprost
MCQ4
• All are true in relation to AMTSL except:
• 10 IU of Oxytocin , IM
• Uterine massage
• Reduces the duration of third stage
• Perform in only high risk cases
MCQ4
• All are true in relation to AMTSL except:
1.10 IU of Oxytocin , IM
2.Uterine massage
3.Reduces the duration of third stage
4.Perform in only high risk cases
MCQ5
• Complications during third stage of labor are
all except
1.PPH
2.Chronic Uterine inversion
3.Retained placenta
4.Amniotic fluid embolism
MCQ5
• Complications during third stage of labor are
all except
1.PPH
2.Chronic Uterine inversion
3.Retained placenta
4.Amniotic fluid embolism
MCQ6
• The most frequently observed method of
placental separation :
1.Marginal separation
2.Central separation
3.None
4.both
MCQ6
• The most frequently observed method of
placental separation :
1.Marginal separation
2.Central separation
3.None
4.both
MCQ7
• The most important method to control
uterine bleeding following delivery
1.Myotamponade
2.Thrombosis
3.Contraction& retraction of uterine muscle
4.none
MCQ7
• The most important method to control
uterine bleeding following delivery
1.Myotamponade
2.Thrombosis
3.Contraction& retraction of uterine muscle
4.none
MCQ8
• Following are true regarding misoprostol,
except
1.Low cost
2.Easy storage
3.Administered rectally
4.Drug of choice for AMTSL
MCQ8
• Following are true regarding misoprostol,
except
1.Low cost
2.Easy storage
3.Administered rectally
4.Drug of choice for AMTSL
MCQ9
• Following is true regarding Oxytocin
1.Given as IV bolus dose
2.Thermolabile
3.Contraindicated in cardiac patient
4.Causes hypertension
MCQ9
• Following is true regarding Oxytocin
1.Given as IV bolus dose
2.Thermolabile
3.Contraindicated in cardiac patient
4.Causes hypertension
MCQ10
• Prevention of PPH, all are true except
1.Treatment of anemia in antenatal period
2.Practice AMTSL in all
3.Home delivery in high risk cases
4.In forceps delivery, explore uterovaginal canal
MCQ10
• Prevention of PPH, all are true except
1.Treatment of anaemia in antenatal period
2.Practice AMTSL in all
3.Home delivery in high risk cases
4.In forceps delivery, explore uterovaginal canal

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Labor

  • 1. Third stage of labor: events & management Prophylaxis of PPH
  • 2. Labor • Physiological process • The products of conception passed form uterus to outside world • Normal labour: spontaneous in onset, at term, vertex presentation, natural termination without any complications affecting health of mother &/or newborn • Three stages of labor
  • 3. Stages of labour • First stage : onset of true labour pains to full dilatation of cervix • Second stage: full dilatation of cervix to expulsion of fetus from birth canal • Third stage: after expulsion of fetus to expulsion of placenta & membranes (afterbirths)
  • 4. Third stage: events • After expulsion of fetus to expulsion of placenta & membranes (afterbirths) • Duration :15 min.(primigravida multigravida) • AMTSL:5 minutes • Placental separation • Placental expulsion
  • 5. Placental separation • Sudden diminution in uterine size following delivery of fetus • Limited placental elasticity • Creates disproportion between two • Placenta buckles : placental separation • Spongy layer of decidua basalis • 2 ways : central, marginal separation
  • 6. Methods of placental separation Central ( Schultze) separation Marginal (Mathews Duncan) separation
  • 7.
  • 8. Expulsion of placenta • Contraction & retraction of Upper Uterine Segment • Placenta forced to lie in LUS/upper vagina • Voluntary contraction of abdominal muscles • Expulsion of placenta
  • 9. Mechanisms to control bleeding 1. Effective retraction of uterine muscles : Living ligatures 2. Thrombosis of torn sinuses 3. Myotamponade: apposition of walls of the uterus
  • 10. Management of third stage • Most crucial stage • Strict vigilance • Follow protocols • Expectant management • Active management
  • 11. Expectant management • Look for 3 classic signs of placental separation – Lengthening of U. cord – A gush of blood from vagina signifying separation of placenta from uterine wall – Change in shape of uterine fundus from discoid to globular with elevation of fundal height • Spontaneous/Controlled cord traction (CCT) • Expulsion of placenta :20 minutes
  • 12. CCT • Modified Brandt Andrews method • Left hand: palmar surface of fingers placed above pubic symphysis. Body of uterus pushed upwards & backwards • Right hand: cord traction in downward & backward direction • Uterus feels hard, contracted
  • 13. Expectant management • Massage the uterus • Intramuscular Oxytocin : 10 IU • Examination of placenta ,membranes, cord • Inspect vulva, vagina & perineum
  • 16. Active management • AMTSL: Active Management of Third Stage of Labour – Prophylactic uterotonic after delivery of baby ( Oxytocin 10 IU ,IM) – cord clamping, cutting & Controlled cord traction of U cord – Uterine massage • Excites powerful uterine contractions ,aid in early placental separation, minimises blood loss & duration of third stage (5 min.)
  • 17. Third stage • Most crucial • Life threatening complications • PPH(postpartum haemorrhage) • Retained placenta • Inversion of uterus • Pulmonary embolism
  • 19. PPH: hard facts • Globally in 10-11% women having live births • Duration between onset of massive bleeding & death: 2 hours • 14 million women worldwide • 1.4 million women die annually • India : 15-25% of maternal deaths due to PPH
  • 20. stage Approximate blood loss(ml) Volume loss(%) Signs & symptoms 0 <500 <10 none ALERT LINE 1 500-1000 15 None/minimal ACTION LINE 2 1000-1500 20-25 ↓ urine output,↑ PR,↑ RR, postural hypotension, narrow pulse pressure 3 1500-2000 30-35 Hypotension, tachycardia, cold clammy extremities ,tachypnea 4 >2000 >40 Profound shock
  • 21. PPH • Primary PPH – Haemorrhage <24 hrs of birth • Secondary PPH – Haemorrhage >24 hrs till 6 weeks of birth • Primary PPH: 4T’s – Tone – Trauma – Tissue – Thrombosis
  • 23. PPH : risk factors
  • 24. Prophylaxis of PPH • Improvement of health status of mother(Hb>11gm%) • Identify high risk women • Plan for institutional delivery /SBA • Strict vigilance of all women in 3rd stage labor • Practice AMTSL in all • Examination of afterbirths ,should be a routine • Explore Uterovaginal canal following difficult/ instrumental, destructive delivery
  • 29. WHO guidelines • Give uterotonics routinely during 3rd stage labor, in all births • Oxytocin 10 IU IM is drug of choice • Use other uterotonics only when Oxytocin is not available • Late cord clamping( 1-3 min after birth) is recommended • Early cord clamping (<1min of birth): not recommended until the neonate is asphyxiated & needs immediate resuscitation
  • 30. MCQ1 • Labor is said to be normal if all are present except: 1.At term 2.Breech presentation 3.Spontaneous in onset 4.Healthy mother & neonate after delivery
  • 31. MCQ1 • Labor is said to be normal if all are present except: 1.At term 2.Breech presentation 3.Spontaneous in onset 4.Healthy mother & neonate after delivery
  • 32. MCQ2 • Regarding the third stage of labor, following is not true: 1.Most crucial stage of labor 2.Duration is 15 minutes 3.Uterine inversion is most common complication 4.AMTSL is routine in all
  • 33. MCQ2 • Regarding the third stage of labor, following is not true: 1.Most crucial stage of labor 2.Duration is 15 minutes 3.Uterine inversion is most common complication 4.AMTSL is routine in all
  • 34. MCQ3 • The uterotonic of choice for prophylaxis of PPH in third stage of labor is 1.Syntometrine 2.Oxytocin 3.Misoprostol 4.carboprost
  • 35. MCQ3 • The uterotonic of choice for prophylaxis of PPH in third stage of labor is 1.Syntometrine 2.Oxytocin 3.Misoprostol 4.carboprost
  • 36. MCQ4 • All are true in relation to AMTSL except: • 10 IU of Oxytocin , IM • Uterine massage • Reduces the duration of third stage • Perform in only high risk cases
  • 37. MCQ4 • All are true in relation to AMTSL except: 1.10 IU of Oxytocin , IM 2.Uterine massage 3.Reduces the duration of third stage 4.Perform in only high risk cases
  • 38. MCQ5 • Complications during third stage of labor are all except 1.PPH 2.Chronic Uterine inversion 3.Retained placenta 4.Amniotic fluid embolism
  • 39. MCQ5 • Complications during third stage of labor are all except 1.PPH 2.Chronic Uterine inversion 3.Retained placenta 4.Amniotic fluid embolism
  • 40. MCQ6 • The most frequently observed method of placental separation : 1.Marginal separation 2.Central separation 3.None 4.both
  • 41. MCQ6 • The most frequently observed method of placental separation : 1.Marginal separation 2.Central separation 3.None 4.both
  • 42. MCQ7 • The most important method to control uterine bleeding following delivery 1.Myotamponade 2.Thrombosis 3.Contraction& retraction of uterine muscle 4.none
  • 43. MCQ7 • The most important method to control uterine bleeding following delivery 1.Myotamponade 2.Thrombosis 3.Contraction& retraction of uterine muscle 4.none
  • 44. MCQ8 • Following are true regarding misoprostol, except 1.Low cost 2.Easy storage 3.Administered rectally 4.Drug of choice for AMTSL
  • 45. MCQ8 • Following are true regarding misoprostol, except 1.Low cost 2.Easy storage 3.Administered rectally 4.Drug of choice for AMTSL
  • 46. MCQ9 • Following is true regarding Oxytocin 1.Given as IV bolus dose 2.Thermolabile 3.Contraindicated in cardiac patient 4.Causes hypertension
  • 47. MCQ9 • Following is true regarding Oxytocin 1.Given as IV bolus dose 2.Thermolabile 3.Contraindicated in cardiac patient 4.Causes hypertension
  • 48. MCQ10 • Prevention of PPH, all are true except 1.Treatment of anemia in antenatal period 2.Practice AMTSL in all 3.Home delivery in high risk cases 4.In forceps delivery, explore uterovaginal canal
  • 49. MCQ10 • Prevention of PPH, all are true except 1.Treatment of anaemia in antenatal period 2.Practice AMTSL in all 3.Home delivery in high risk cases 4.In forceps delivery, explore uterovaginal canal