Page 21 of 22
OG14.1-3,OG15.1-2 | Abnormal and Operative Obstetrics — Assignment
CLINICAL SCENARIO
This assignment asks you to work through a clinical case of a woman who presents in prolonged and ultimately obstructed labour, progressing to a surgical emergency. You will analyse the clinical findings at each stage, justify the decisions made (or that should have been made), and critically evaluate the operative and postoperative management. The case covers the continuum from abnormal labour recognition to operative intervention, integrating OG14 and OG15 competencies.
Instructions
Read the clinical case below carefully, then respond to the structured sections. Ground your answers in the SDL content and the standard references (DC Dutta's Obstetrics & Gynaecology, Shaw's Textbook of Gynaecology, Williams Obstetrics). Cite specific clinical criteria where asked (e.g. Bandl's ring, Bishop score, partograph action line). Avoid vague generalisations — use precise clinical language.
Clinical Case:
Mrs KP, a 24-year-old primigravida at 40 weeks gestation, was admitted in spontaneous active labour at 4 cm cervical dilatation. Her antenatal record showed no complications. Height: 150 cm. Estimated fetal weight: 3.4 kg. Labour was monitored on a WHO partograph. At 8 hours after admission, cervical dilatation had advanced to only 6 cm (crossing the alert line). Contractions were assessed as adequate (3 contractions in 10 minutes, each lasting 45 seconds). At 14 hours, the head was still at station -1, the partograph had crossed the action line, and a prominent Bandl's ring was palpable at the level of the umbilicus. An emergency lower-segment caesarean section (LSCS) was performed. Intraoperatively, the lower uterine segment was found to be markedly thinned and oedematous. The baby was delivered in good condition. Postoperatively at 36 hours, she developed fever and uterine tenderness.
Length: 800–1200 words total across all four sections (each section guidance word count is indicative; prioritise depth over length)
What to Submit
Section 1: Recognising Abnormal Labour (OG14.1)
Guidance: Explain what clinical findings in this case indicate obstructed labour, not merely prolonged labour. Define the partograph action line and explain its clinical significance. Describe the significance of Bandl's ring at the level of the umbilicus — what does its level indicate and why? What are the three P's that contribute to obstructed labour, and which P is most likely dominant in this case? (~200-250 words)
Section 2: Operative Decision and Technique (OG15.1 / OG15.2)
Guidance: Justify the decision for emergency LSCS. Were there any valid instrumental delivery options here, and why or why not? Outline the key steps of LSCS relevant to this case, paying particular attention to the management of a thinned, oedematous lower uterine segment (what precautions does this require during the uterine incision and closure?). What is the significance of the assistant's role in recognising and communicating intraoperative findings? (~250-300 words)
Section 3: Risk of Uterine Rupture and Prevention (OG14.2)
Guidance: This patient had a near-rupture (markedly thinned LUS). Explain the pathophysiology of how obstructed labour leads to uterine rupture, referencing the upper and lower uterine segments' behaviour in labour. At what point would a complete rupture have been diagnosed, and what would have changed in management? What preventive measures could have averted this scenario at the antenatal, intrapartum, and systems level? (~200-250 words)
Section 4: Postoperative Complication and Management (OG14.1, OG15.2)
Guidance: At 36 hours postoperatively, Mrs KP develops fever (38.4°C) and uterine tenderness. What is the most likely diagnosis, and what is the differential? Outline the clinical evaluation (examination, investigations) and management steps. What specific risk factors in this case predisposed her to this complication? How does this postoperative complication relate to the obstructed labour that preceded the CS? (~200-250 words)
Grading Rubric — Clinical Decision-Making in Abnormal Labour — Marking Rubric
| Criterion | Points | Full-marks descriptor |
|---|---|---|
| Recognition of obstructed labour: accuracy of clinical criteria used (partograph action line, Bandl's ring level, the three P's, distinction from prolonged labour) | 25 pts | Precisely defines obstructed vs prolonged labour using clinical criteria; correctly identifies Bandl's ring at umbilicus level as late-warning sign; applies all three P's with correct dominant factor identified for this case; partograph action line explained accurately |
| Operative decision and LSCS technique: justification of CS over instrumental delivery; key surgical steps; management of thinned LUS; role of the surgical assistant | 30 pts | Clear, specific justification for CS (no instrumental option given station and obstructed state); outlines relevant LSCS steps with explicit precautions for thinned LUS (gentle incision, avoid extension, careful closure); articulates the assistant's safety and communication role correctly |
| Uterine rupture pathophysiology, near-rupture recognition, and prevention | 25 pts | Correctly explains UUS retraction and LUS elongation in obstructed labour leading to Bandl's ring rise and eventual rupture; distinguishes thinning (near-rupture / dehiscence) from complete rupture with correct signs; prevention addressed at antenatal (pelvic assessment, nutrition), intrapartum (partograph), and system levels |
| Postoperative complication: diagnosis, differential, evaluation, management, and link to preceding obstetric event | 20 pts | Correctly diagnoses postoperative endomyometritis; states a relevant differential (wound infection, UTI, pneumonia, septic pelvic thrombophlebitis); systematic clinical evaluation and appropriate management (cultures, antibiotics, monitoring) described; explicitly links the complication to the prolonged obstructed labour (ischaemia, operative contamination, microbial translocation) |
PEER REVIEW
Your peer's response covers clinical decision-making in a surgical obstetric emergency. When reviewing, focus on: (1) Are clinical criteria used precisely (Bandl's ring level, partograph thresholds) or are they vague assertions? (2) Is the CS decision justified with specific reasons why instrumental delivery was not an option? (3) Is the LUS thinning precaution described with surgical specificity? (4) Is the postoperative diagnosis supported by reasoning, or is it just named? Provide at least two specific, constructive comments and one strength. Avoid general praise — reference specific sentences in your feedback.