Labour and Delivery Flashcards
(18 cards)
Placental previa
- Definition
Placental previa
- Definition
- Covering cervical Os
- Within 2cm of Os
Lower uterine segment
- Origin
Lower uterine segment
- Origin
- Uterine Isthmus
- Develops after 20 weeks
- Not very muscular
Placenta previa
- Grading
Placenta previa
- Grading
Minor
1. Within 2cm of Os
2. Touching os
Major
3. Partially covered
4. Completely covered
Abnormal invasive
- Scar invasion
- Uterine wall
- Bladder
Placenta previa
- Scanning
Placenta previa
- Scanning
- Repeat at 32,36,36,38 weeks
- Can move away from Os
Placenta previa
- RFs
Placenta previa
- RFs
- Recurrent caesarian section
- Previous previa
Placenta previa
- Presentation
Placenta previa
- Presentation
- Asymptomatic
- Painless bleeding
- Trans vaginally US
- Trans abdominal US
- Full bladder
Placenta previa
- Mx
Placenta previa
- Mx
- Observe 24hrs if pre term
- Elective c section 36-37 weeks
- Major obstetric haemorrhage
- if bleeding heavily
- haematologist, obstetrician, senior midwife
Abnormal uterine invasion
- Types
Abnormal uterine invasion
- Types
- Acreta
- Increta
- Percreta
Labour
- Definition
Labour
- Definition
- Progressive effacement and dilatation
- Regular contractions
Effacement
- Lengths
Effacement
- Lengths
- Not effaced
- 4cm - Fully effaced
- 0cm
Retained placenta
- Primip Vs multip
Retained placenta
- Primip Vs multip
1hr Vs 30 mins
Factors affecting labor
- 3ps
Factors affecting labor
- 3ps
- Passage
- Powers
- Passenger
Pelvic planes
Pelvic planes
- Inlet 11cm
- Mid cavity
- Outlet 10cm
fetal station
- measurement
Fetal station
- measurement
- Lowest part with ischial spine -2 - +3
- bi-parietal diameter with pelvic inlet -2 - +3
Cephalic presentation
- Sub categories
Cephalic presentation
- Sub categories
- Vertex
- Face
- Brow
Mechanism of labor
- Stages
Mechanism of labor
- Stages
- Engagement
- Flexion
- Descent
- Internal rotation
- Extension
- External rotation
Caput succedenium Vs cephalhematoma
Caput succedenium Vs cephalhematoma
- cephalhematoma
1. Doesn’t cross suture line
2. Sub periosteum
3. Blood not oedema
Regular contractions
Regular contractions
- 3 per 10 minutes