Postpartum Flashcards
Overall incidence of OASIS
2.9%
Incidence of OASIS in nullipara
6%
Incidence of OASIS in multipara
1.7%
How many patients are asymptomatic of OASIS by 12 months
60-80%
What is the recurrence rate of OASIS
5.7%
What suture type is ideal for anorectal mucosa
Vicryl 3-0 (polyglactin)
- less reaction compared to PDS
- quick absorption
What are the top 6 risk factors for OASIS
- previous OASIS
- nulliparity
- forceps without episiotomy
- OP position
- birth weight >4kg
- Asian race
What is classified as a prolonged third stage
- 30mins for active management
- 60mins for physiological
Incidence of OASIS without episiotomy
22.7%
Incidence of OASIS with episiotomy
6%
Incidence of early onset GBS
0.5: 1000 births
Incidence in term infants with no risk factors
0.2:1000
Risk of EOGBS If GBS in previous pregnancy
1:800
Current pregnancy 1:400
Risk of EOGBS of intrapartum fever
5: 1000
Incidence of clinically significant puerperal haematomas
1:700
How many vulvar haematomas require surgical intervention
1:1000
Risk factors for puerperal haematomas
- nulliparity
- prolonged second stage
- instrumental delivery
- birth weight >4kg
- genital tract varicosities
- maternal age >30
What is the etiology of pueperal haematomas
- 80 % due to suturing and episiotomy
How are pueperal haematomas classified
1) according to relation of lavatory muscles
- infralevator or supralevator
2)according to position
- vulval(infra)
- vulvovaginal(infra)
- paravaginal(infra)
- subperitoneal(supra)
Damage to what vessel results in vulval and vulvovaginal haematomas
- branches of the internal pudental
What vessel is damaged with paravaginal/supravaginal/subperitoneal haemoatomas
- uterine artery
Incidence of postpartum psychosis
1-2:1000
Presents day 1-3
50% no risk factors
