## Clinical Assessment This primigravida is in the **latent phase of the first stage of labor** (cervical dilation 2 cm, regular contractions, 80% effaced cervix). The vaginal bleeding is likely a show (blood-stained mucus from cervical effacement and dilation), which is a normal sign of labor onset. **Key Point:** The latent phase is characterized by: - Cervical dilation 0–3 cm - Regular contractions but mild discomfort - Gradual cervical effacement - Vaginal show is expected and benign ## Management Algorithm ```mermaid flowchart TD A[Primigravida with regular contractions]:::outcome --> B{Assess cervical dilation, FHR, bleeding character}:::decision B -->|Dilation 0-3 cm, normal FHR, show present| C[Latent phase of labor]:::outcome C --> D[Admit, IV access, partograph, observe]:::action B -->|Dilation > 3 cm, abnormal FHR, heavy bleeding| E[Active labor or complication]:::urgent E --> F[Escalate care, consider intervention]:::action ``` ## Why This Answer is Correct **High-Yield:** Admission with partograph is the standard of care for confirmed labor. The partograph: - Tracks cervical dilation over time - Identifies prolonged labor (crossing the alert or action line) - Guides decision-making for augmentation or operative delivery - Reduces maternal and fetal morbidity **Clinical Pearl:** Vaginal show (blood-stained mucus) is a normal sign of labor and does NOT require intervention unless there is heavy vaginal bleeding (>500 mL) or signs of placental abruption (severe pain, fetal distress). ## Partograph Use | Phase | Cervical Dilation | Action | |-------|-------------------|--------| | Latent | 0–3 cm | Admit, observe, partograph | | Active | 3–7 cm | Augment if needed (oxytocin, amniotomy) | | Deceleration | 7–10 cm | Prepare for second stage | [cite:Williams Obstetrics 26e Ch 21]
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