Postpartum

Question 1

Overall incidence of OASIS

Answer 1

2.9%

Question 2

Incidence of OASIS in nullipara

Answer 2

6%

Question 3

Incidence of OASIS in multipara

Answer 3

1.7%

Question 4

How many patients are asymptomatic of OASIS by 12 months

Answer 4

60-80%

Question 5

What is the recurrence rate of OASIS

Answer 5

5.7%

Question 6

What suture type is ideal for anorectal mucosa

Answer 6

Vicryl 3-0 (polyglactin)

• less reaction compared to PDS
• quick absorption

Question 7

What are the top 6 risk factors for OASIS

Answer 7

• previous OASIS
• nulliparity
• forceps without episiotomy
• OP position
• birth weight >4kg
• Asian race

Question 8

What is classified as a prolonged third stage

Answer 8

• 30mins for active management
• 60mins for physiological

Question 9

Incidence of OASIS without episiotomy

Answer 9

22.7%

Question 10

Incidence of OASIS with episiotomy

Answer 10

6%

Question 11

Incidence of early onset GBS

Answer 11

0.5: 1000 births

Question 12

Incidence in term infants with no risk factors

Answer 12

0.2:1000

Question 13

Risk of EOGBS If GBS in previous pregnancy

Answer 13

1:800

Current pregnancy 1:400

Question 14

Risk of EOGBS of intrapartum fever

Answer 14

5: 1000

Question 15

Incidence of clinically significant puerperal haematomas

Answer 15

1:700

Question 16

How many vulvar haematomas require surgical intervention

Answer 16

1:1000

Question 17

Risk factors for puerperal haematomas

Answer 17

• nulliparity
• prolonged second stage
• instrumental delivery
• birth weight >4kg
• genital tract varicosities
• maternal age >30

Question 18

What is the etiology of pueperal haematomas

Answer 18

• 80 % due to suturing and episiotomy

Question 19

How are pueperal haematomas classified

Answer 19

1) according to relation of lavatory muscles
- infralevator or supralevator

2)according to position
- vulval(infra)
- vulvovaginal(infra)
- paravaginal(infra)
- subperitoneal(supra)

Question 20

Damage to what vessel results in vulval and vulvovaginal haematomas

Answer 20

• branches of the internal pudental

Question 21

What vessel is damaged with paravaginal/supravaginal/subperitoneal haemoatomas

Answer 21

• uterine artery

Question 22

Incidence of postpartum psychosis

Answer 22

1-2:1000

Presents day 1-3
50% no risk factors