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Referral and warning signs
When to refer
Refer urgently to HC4/Hospital if: PPH is unresponsive to initial measures (massage, oxytocin, TXA). Manual removal of placenta required but cannot be performed safely. Suspected uterine rupture or need for surgical repair of complex tears. Need for blood transfusion beyond local capacity. Persistent shock or haemodynamic instability. Requirement for advanced interventions (UBT, NASG stabilization for transport, surgical management).
Red flags
- Massive ongoing bleeding (>150 ml/min or >1L total loss)
- Signs of severe shock (SBP < 70 mmHg, HR > 140, unresponsive)
- Uterus remains atonic ('boggy') despite uterotonics and massage
- Suspected uterine rupture (sudden severe pain, loss of contractions, fetal distress prior to delivery, easily palpable fetal parts)
- Clinical signs of coagulopathy (oozing from IV sites, bruising)
Signs and symptoms
- Excessive vaginal bleeding (visually estimated or measured >500/1000ml, soaking >1 pad in 5-15 mins, continuous trickle or gush)
- Signs of hypovolaemic shock: Tachycardia, Hypotension, Pallor, Cold clammy skin, Slow capillary refill, Altered mental status (anxiety, confusion, lethargy)
- Uterus may be large, soft, and poorly contracted ('boggy') - suggests uterine atony (most common cause)
- If uterus is well-contracted, suspect genital tract trauma (tears)
- Retained placenta or placental fragments may be present
- In secondary PPH, may have fever, foul-smelling lochia, abdominal tenderness (suggesting infection)
Risk factors
- The Four 'T's: Tone (Uterine Atony - ~70%), Tissue (Retained Placenta/Products - ~10%), Trauma (Genital Tract Lacerations, Uterine Rupture - ~20%), Thrombin (Coagulation Disorders - ~1%).
- Specific factors: History of previous PPH, Multiple pregnancy, Polyhydramnios, Large baby (macrosomia), Prolonged labour, Precipitated labour, Operative vaginal delivery (forceps/vacuum), Caesarean section, Placenta praevia, Placental abruption, Uterine fibroids, Chorioamnionitis, Maternal anaemia, Hypertensive disorders of pregnancy.
Diagnosis
Clinical assessment
Based on observed or estimated excessive blood loss postpartum, combined with clinical assessment of uterine tone (palpation), inspection for genital tract tears, and checking for retained placenta/products. Assess for signs of shock.
Investigations
- Visual estimation or quantification of blood loss (pad counts, weighing swabs/drapes)
- Abdominal palpation for uterine tone and size
- Speculum examination to inspect cervix and vagina for tears
- Manual exploration of the uterus (if suspect retained products or rupture - requires analgesia/anaesthesia)
- Continuous vital signs monitoring (HR, BP, RR, SpO2)
- Haemoglobin (Hb) / Hematocrit (Hct) - baseline and serial
- Blood group and cross-match (essential - request blood products early)
- Consider coagulation studies (Platelets, PT/INR, aPTT, Fibrinogen) if coagulopathy suspected or massive transfusion
Diagnostic criteria
Blood loss >500 mL (vaginal delivery) or >1000 mL (caesarean section) within 24 hours (Primary PPH), or significant bleeding between 24h and 6 weeks (Secondary PPH).
Management
Non-pharmacological management
- Call for Help! (Mobilize team, notify senior staff/specialist).
- Simultaneous Resuscitation (ABCDE approach) and Identifying/Treating Cause.
- Airway & Breathing: High-flow oxygen.
- Circulation: Secure large-bore IV access (x2 if possible). Commence rapid IV fluid resuscitation (warmed crystalloids - NS 0.9% or RL, e.g., 2L fast, then titrate to response). Monitor vital signs.
- Uterine Massage: Continuous external massage if uterus is atonic.
- Empty Bladder: Insert Foley catheter.
- Identify Cause (4 Ts):
- - Tone: Continue massage, administer uterotonics (see pharmacological).
- - Tissue: Inspect placenta for completeness. If retained, perform manual removal (under analgesia/anaesthesia). Ensure uterus is empty.
- - Trauma: Systematically inspect perineum, vagina, cervix for tears. Repair lacerations.
- - Thrombin: Consider coagulopathy if bleeding persists despite other measures, or known risk factor. Manage with blood products (FFP, platelets, cryoprecipitate) based on lab results/clinical picture (hospital level).
- If bleeding continues despite uterotonics and massage:
- - Bimanual Uterine Compression.
- - Intrauterine Balloon Tamponade (UBT) insertion.
- - Application of Non-pneumatic Anti-shock Garment (NASG) - especially useful during transport.
- Surgical measures (Hospital level): Uterine artery embolization, Compression sutures (e.g., B-Lynch), Hysterectomy (last resort).
Pharmacological treatment
- Uterotonics (for Uterine Atony):
- - Oxytocin: 10 IU IM or slow IV push. Can add 20-40 IU to 1 Litre IV fluids and infuse rapidly (e.g., 500ml over 30 min, then 250ml/hr). FIRST LINE.
- - Ergometrine: 0.2 mg IM or slow IV. Repeat once after 15 min if needed. CONTRAINDICATED in hypertension/pre-eclampsia. (Can be given combined with oxytocin as Syntometrine).
- - Misoprostol: 800 micrograms sublingually (or rectally/orally). Useful if oxytocin unavailable or ineffective.
- - Carbetocin: 100 mcg IV/IM (single dose) - Primarily used for PREVENTION, NOT standard treatment of established PPH per UCG.
- Antifibrinolytic:
- - Tranexamic Acid (TXA): 1 gram slow IV (over 10 minutes) given ASAP within 3 hours of delivery. Repeat 1 gram IV after 30 minutes if bleeding continues.
- Blood Products Transfusion: Based on estimated blood loss, haemodynamic status, Hb levels. Use cross-matched blood when possible. Consider early transfusion in massive PPH.
- Antibiotics: Prophylactic antibiotics (e.g., Ampicillin 2g IV + Metronidazole 500mg IV stat) if manual removal of placenta, significant trauma, or prolonged procedure. Treat vigorously if infection suspected (secondary PPH).
- Follow specific Ugandan treatment algorithms/guidelines for PPH management.
Monitoring
Continuous monitoring of: Vital signs (HR, BP, RR, SpO2), Vaginal bleeding (estimate ongoing loss), Uterine tone and size, Urine output, Level of consciousness. Monitor response to interventions. Keep accurate records.
Complications
- Hypovolaemic shock
- Severe anaemia
- Acute kidney injury
- Sheehan's syndrome (postpartum pituitary necrosis)
- Disseminated Intravascular Coagulation (DIC)
- Thromboembolism
- Infection (endometritis, sepsis)
- Need for surgical intervention (including hysterectomy)
- Maternal death
Prevention
- Active Management of Third Stage of Labour (AMTSL) for ALL deliveries: 1. Uterotonic drug (Oxytocin 10 IU IM preferred, or Carbetocin 100mcg IM/IV, or Misoprostol 600mcg oral) within one minute of birth. 2. Delayed cord clamping (3-5 mins or when pulsation stops). 3. Controlled Cord Traction (CCT) with counter-traction. 4. Uterine massage after placental delivery.
- Antenatal identification and management of risk factors (e.g., treat anaemia).
- Ensure delivery by skilled birth attendant.
- Birth preparedness plan including access to emergency obstetric care.
- Ensure availability of drugs (uterotonics, TXA), IV fluids, and equipment.
Patient education
- Explain the reason for the heavy bleeding and the interventions being performed.
- Provide reassurance and support.
- Postpartum: Educate on signs of secondary PPH (increased bleeding, fever, foul discharge) and when to seek immediate care.
- Discuss importance of family planning.
- Encourage iron supplementation for anaemia.
Uganda-specific notes
PPH is a leading cause of maternal mortality in Uganda. Strict adherence to AMTSL protocols is critical. Oxytocin is preferred uterotonic; ensure proper storage (cold chain). Misoprostol is a vital alternative where oxytocin is unavailable. Tranexamic Acid (TXA) is essential and should be given early. Uterine Balloon Tamponade (UBT) and Non-pneumatic Anti-shock Garment (NASG) are important temporizing measures for severe PPH, especially during referral. Remember Ergometrine is contraindicated in hypertensive women. Carbetocin is for prevention, not treatment per UCG.
References
- Uganda Clinical Guidelines (UCG) 2023
Chapter 16, Section 16.4.6
