Birth Injury OB/GYN Deposition Checklist: EFM, Category II/III Tracings & Causation Expert Strategy

Birth injury cases are document-heavy, expert-intensive, and emotionally unforgiving. The difference between a defense verdict and a ten-figure outcome often comes down to whether the plaintiff attorney understood the electronic fetal monitoring (EFM) strip, the oxytocin administration record, and the nursing flow sheet well enough to depose the obstetrician on what they actually saw — and when they saw it.

This checklist is built for plaintiff attorneys who handle HIE, cerebral palsy, shoulder dystocia, Erb's palsy, and neonatal asphyxia cases. It covers pre-deposition document collection, 30+ OB-specific deposition questions, the documentation lag that nearly every defense attorney misses, and how to think about your causation experts.

Pre-deposition document collection checklist

Before deposing any labor-and-delivery witness — OB, nurse, CNM, anesthesiologist, or neonatologist — you need the following records. Do not proceed without them:

• Complete EFM strips in their original electronic form with accurate timestamps, not just printed summaries. Request the raw data from the EFM vendor (GE, Philips, Hill-Rom) if the hospital's printouts are unclear.
• Nursing flow sheets documenting cervical exams, contractions, vital signs, and interventions
• Oxytocin (Pitocin) administration record showing start time, initial rate, titration increments, and any rate changes
• Intrauterine pressure catheter (IUPC) data if one was placed
• Fetal scalp electrode (FSE) tracings if used
• Labor curve / partogram
• Apgar score records at 1, 5, and 10 minutes (and 15, 20 if resuscitation was prolonged)
• Cord blood gases — both umbilical artery (UA) and umbilical vein (UV) pH, base excess, PCO2, PO2
• Placental pathology report
• NICU admission note and resuscitation record
• MRI of the neonatal brain (ideally within 72 hours and again at 10 days)
• All anesthesia records including time of epidural placement and any bolus or rate changes
• OR / Cesarean section record with decision-to-incision time and incision-to-delivery time
• Shoulder dystocia note specifying maneuvers attempted, order, and duration
• Hospital's EFM interpretation policy and L&D chain-of-command policy
• Provider credentialing file and any peer review documents obtainable
• Billing records — often reveal clinician presence or absence at critical times

The documentation lag gotcha in EFM strips

This is the single most important thing a plaintiff attorney needs to understand about EFM depositions: the printed strip timestamps and the annotations don't always align with the clinical events.

EFM strips run continuously, but nurses annotate them retrospectively. An annotation that says "Dr. Jones notified at 14:20" might have been entered at 14:35, after the fact. A late deceleration at 14:12 might not have been labeled on the strip until a nurse came back to chart at 14:45. When the OB later testifies "I was notified at 14:20 and came right in," the actual electronic audit trail of the documentation system often tells a different story.

Always request the EFM system's audit log — the raw metadata showing when each annotation was created or modified. This is the single most productive document request in birth injury cases, and defense counsel will often resist producing it. Push.

30+ OB-specific deposition questions

EFM interpretation and NICHD categories

1. Are you familiar with the 2008 NICHD three-tier fetal heart rate classification system?
2. Can you recite the definition of a Category I tracing from memory?
3. Can you recite the definition of a Category III tracing?
4. What features define a Category II tracing?
5. When you look at this strip between 14:00 and 14:20, what category would you classify this tracing?
6. At what point on this strip did you first identify a recurrent late deceleration?
7. How do you distinguish a late deceleration from a variable deceleration on a strip?
8. What does a prolonged deceleration of 3+ minutes require per your hospital's L&D protocol?
9. When the strip shows minimal variability for 40+ minutes, what is your differential diagnosis?
10. At what point does a persistent Category II tracing require escalation to Category III management?

Oxytocin and labor management

11. What is your hospital's oxytocin titration protocol?
12. At what rate was oxytocin running when late decelerations appeared?
13. Does your hospital's protocol require oxytocin reduction or discontinuation upon recurrent late decelerations?
14. If the protocol required discontinuation and the MAR shows the rate continued unchanged — can you explain that?
15. What is your policy on oxytocin administration with a Category II tracing with minimal variability?
16. Were you physically at bedside during any portion of the oxytocin titration, or were you relying on nursing reports?

Shoulder dystocia

17. What are the HELPERR maneuvers for shoulder dystocia?
18. In what order did you perform the maneuvers in this delivery?
19. What was the time from head delivery to body delivery (the head-to-body interval)?
20. Did you apply fundal pressure at any point? Who applied it?
21. Is fundal pressure contraindicated in shoulder dystocia per ACOG?
22. Was McRoberts maneuver performed before any rotational maneuvers?
23. How was suprapubic pressure applied, and by whom?
24. Did you document each maneuver contemporaneously, or did you dictate a shoulder dystocia note after delivery?

Delivery decisions and timing

25. What time did you first consider operative delivery?
26. What time did you make the decision to proceed to cesarean?
27. What was the decision-to-incision interval in this case?
28. What is your hospital's standard for a stat C-section decision-to-incision interval?
29. Was anesthesia in-house at the time you called for the stat section?
30. What is the difference in neonatal outcome between delivery within 18 minutes versus 30 minutes of a Category III tracing?

Apgar, cord gases, and meconium

31. What were the Apgar scores at 1, 5, and 10 minutes?
32. Who determined those scores?
33. If the neonatologist's note states Apgar of 2 at 5 minutes, and your delivery note states 5 at 5 minutes, can you explain that inconsistency?
34. What were the umbilical artery pH and base excess?
35. A UA pH of 6.9 with a base excess of -14 — what does that suggest about the timing and severity of intrapartum hypoxia?
36. Was meconium present, and was it thin or thick?
37. Was direct laryngoscopy and intubation performed at delivery for meconium suctioning? If not, why not?

The causation experts: who you need and when

Birth injury causation cases almost always require a team of specialists. The plaintiff attorney's job is to match each expert to the causation question they're best positioned to answer. Using the wrong expert for the wrong question is the fastest way to lose a Daubert challenge.

Maternal-Fetal Medicine (MFM) specialist

Your MFM expert speaks to antepartum and intrapartum obstetric standards of care. They interpret the EFM strip, the labor course, and the obstetric decision-making. If your case turns on whether a Category II tracing should have been managed differently, or whether a stat cesarean should have been called earlier, this is your expert. MFMs are expensive (often $1,200-$2,000/hr) but essential for the "what the OB should have done" question.

Neonatologist

The neonatologist speaks to the newborn's condition at delivery, the resuscitation, and the clinical manifestations of hypoxic-ischemic encephalopathy (HIE). They are critical for establishing that the injury is consistent with acute intrapartum hypoxia as opposed to chronic or antepartum pathology. Neonatologists also interpret Sarnat staging and the significance of cord gas values.

Pediatric neurologist

Your pediatric neurologist connects the intrapartum event to the ultimate neurologic outcome — cerebral palsy, seizure disorder, developmental delay. They interpret the MRI (especially the watershed or basal ganglia thalamus pattern) and are critical for the ACOG/AAP "Neonatal Encephalopathy and Neurologic Outcome" criteria. If the defense retains a neonatologist to argue the injury is not birth-related, your pediatric neurologist is your counter.

Placental pathologist

Often overlooked. A placental pathology review can either support your intrapartum hypoxia theory (e.g., normal placenta, no chronic findings) or undermine a defense argument of antepartum pathology (or vice versa — you need to know what you have before you file).

Life care planner and economist

For the damages case. Don't retain these until liability experts have confirmed the causation theory.

How Courtroom AI flags OB/GYN-specific Daubert issues live

Birth injury depositions are fast-moving. The expert will drop terminology — "watershed distribution," "Sarnat II," "base deficit of 12," "hypertonic contractions" — at a pace where the plaintiff attorney is often trying to decide whether the last answer was helpful before the next one arrives.

Our OB/GYN specialty keyword pack recognizes this vocabulary and flags specific issues in real time:

• NICHD category contradictions. When the OB says "the tracing was Category I" at minute 20 but then describes features at minute 50 that actually define Category II, the AI flags it.
• Oxytocin protocol deviations. When the witness states the protocol required a specific response to late decelerations but the MAR shows a different action, the AI cross-references with the uploaded policy.
• Shoulder dystocia maneuver sequencing. If the witness says McRoberts was first but the delivery note says otherwise, flagged.
• Sarnat staging inconsistencies. When a defense expert minimizes HIE severity inconsistent with cord gas values already in evidence.
• ACOG / SMFM / NICHD guideline citations. The AI checks citations against the current published guidelines so you catch stale references live.

The tool isn't a replacement for your MFM expert reading the strip. It's a way to ensure that when the OB contradicts the documentation or their own earlier testimony, you catch it in the moment — not when your paralegal finds it in the transcript three weeks later.

Common mistakes in birth injury depositions

• Accepting the printed EFM strip at face value. Always get the electronic audit log.
• Not deposing the L&D nurse before the OB. The nurse knows when the OB was actually notified and when they actually arrived — admissions that narrow the OB's escape routes.
• Failing to pin the OB on the NICHD category. "It was non-reassuring" is not a category. Force the witness to a specific NICHD classification at specific timestamps.
• Skipping the anesthesia record. In stat cesarean cases, the anesthesia timeline is often the most damaging evidence of delay.
• Not understanding the difference between arterial and venous cord gases. UA reflects fetal metabolic status; UV reflects placental circulation. Defense will exploit this if you don't.

Related reading

• How to Daubert Challenge an Expert Witness in 2026
• Nursing Home Neglect Deposition Questions
• How AI Analyzes a Two-Hour Deposition in Real Time
• Medical Malpractice Discovery Checklist