How to Effectively Use a Partograph During Labour

Labour monitoring is one of the most critical skills in maternal health nursing. A partograph serves as your visual roadmap during labour, helping you detect problems before they become emergencies. When used correctly, this simple chart can mean the difference between a normal delivery and a life-threatening complication for both mother and baby.

Understanding the partograph as a monitoring tool 🔗

A partograph is a graphical record that tracks key maternal and fetal data during the active phase of labour on a single sheet of paper. Think of it as a comprehensive dashboard that displays cervical dilatation, fetal heart rate, and uterine contractions alongside maternal vital signs, all plotted against time.

The tool was developed in 1972 by Philpott and Castle, building on Friedman’s earlier work on cervical progression. The World Health Organization endorsed its universal use in 1994 after studies showed it could reduce prolonged labour, decrease the need for labour augmentation, and lower rates of emergency cesarean sections and stillbirths.

You should begin plotting on the partograph when a woman enters active labour, typically at 4-5 cm cervical dilatation with at least 3 contractions every 10 minutes. Starting too early during the latent phase can lead to unnecessary interventions.

Essential components you must monitor and record 🔗

Fetal wellbeing indicators 🔗

Fetal heart rate should be recorded every 30 minutes during the first stage of labour and every 5 minutes during the second stage. The normal range is 110-160 beats per minute. Persistent abnormalities in fetal heart rate, especially when combined with meconium-stained amniotic fluid, signal potential fetal distress requiring immediate attention.

The colour and character of amniotic fluid provide crucial information. Use standardized codes: I for intact membranes, C for clear fluid, M for meconium-stained fluid, and B for blood-stained fluid. Document this initially and then every 4 hours after membrane rupture.

Molding refers to the overlap of fetal skull bones as the baby’s head descends through the birth canal. Grade it from 0 (separated sutures) to +++ (severely overlapping). Increasing molding with poor descent suggests possible obstruction.

Labour progress indicators 🔗

Cervical dilatation is plotted with an X on the central graph, measured in centimeters from 0 to 10. This is assessed every 4 hours through vaginal examination. The graph includes two critical reference lines: the alert line represents an average dilatation rate of 1 cm per hour, while the action line runs parallel to it, positioned 4 hours to the right.

Fetal descent is recorded using O symbols, measured by how much of the baby’s head can be palpated above the symphysis pubis during abdominal examination. Progress from 5/5 (completely above the pelvis) to 0/5 (fully engaged) should correspond with cervical dilatation.

Uterine contractions are assessed every 30 minutes, noting their frequency (number per 10 minutes) and duration (in seconds). In active labour, you should observe at least 3 contractions lasting 40 seconds or more within 10 minutes.

Maternal condition parameters 🔗

Vital signs must be monitored regularly. Temperature and pulse are recorded every 30 minutes to 2 hours, while blood pressure is checked every 2-4 hours. These parameters help identify maternal complications like infection or hypertensive disorders early.

Urine output and testing for protein or acetone should be documented. Reduced urine output may indicate dehydration or pre-eclampsia, while the presence of ketones suggests maternal exhaustion.

Interpreting the partograph to identify problems 🔗

The power of the partograph lies in its visual representation of labour progress. When cervical dilatation crosses to the right of the alert line, it signals that labour is progressing slower than 1 cm per hour. This is your warning to increase monitoring frequency and prepare for possible intervention or transfer.

If the dilatation curve crosses the action line, immediate decisions must be made. This indicates dangerously slow progress despite adequate uterine contractions, suggesting possible cephalopelvic disproportion or obstructed labour. At this point, full medical assessment is required, and options include caesarean section if fetal distress or obstruction is present, or augmentation with oxytocin if there are no contraindications.

Secondary arrest of labour occurs when cervical dilatation stops progressing after initial normal progress. If you observe no change in cervical diameter for 2-3 hours despite adequate contractions, this requires urgent attention.

Taking appropriate action based on findings 🔗

Your response must be proportional to the findings. When the plot remains on or to the left of the alert line with normal maternal and fetal parameters, continue routine monitoring and supportive care. Encourage the woman to remain mobile, ensure adequate hydration, and provide emotional support.

Between the alert and action lines, you should review possible causes for slow progress. These might include inadequate uterine contractions, malpresentation, or early signs of cephalopelvic disproportion. Consider artificial rupture of membranes if appropriate, increase monitoring frequency, and prepare for possible transfer to a higher-level facility.

When the action line is crossed or you detect signs of fetal distress, immediate intervention is necessary. Studies show that women whose labour is not monitored with a partograph are five times more likely to develop obstructed labour, highlighting the importance of timely action.

Common pitfalls that compromise effectiveness 🔗

Inaccurate assessment of cervical dilatation is the most significant source of error. Different examiners may assess dilatation differently, leading to inconsistent plotting. Standardizing examination techniques and limiting the number of examiners can minimize this variability.

Incomplete documentation, particularly during busy periods, defeats the purpose of continuous monitoring. Every parameter should be consistently recorded at recommended intervals. Retrospective filling of the partograph is a dangerous practice that eliminates its early warning function.

Failing to act on abnormal patterns is perhaps the most serious mistake. The partograph is a decision-making tool, not just a record-keeping form. Training and regular case discussions can improve both plotting accuracy and interpretation skills.

Evolution to the WHO Labour Care Guide 🔗

The traditional partograph is evolving. In 2020, WHO launched the Labour Care Guide to replace the traditional partograph. This next-generation tool reflects updated evidence showing that many women don’t experience labour conforming to the rigid 1 cm per hour standard.

The Labour Care Guide starts active labour monitoring at 5 cm instead of 4 cm, includes the second stage of labour, and emphasizes supportive care elements like companionship, pain relief, and maternal mobility. It replaces the alert and action lines with evidence-based time limits at each centimeter of dilatation. The guide also includes an alert column to highlight abnormal findings that require provider action.

While the transition to this new tool may take time, understanding partograph principles remains essential. Both tools share the fundamental goal of detecting complications early and ensuring timely interventions.

Making partograph use routine in your practice 🔗

Effective partograph use requires more than technical skill. It demands a systematic approach to labour monitoring where you regularly assess, record, check for warning signs, and plan care in consultation with the woman. This creates a continuous feedback loop that catches problems before they escalate.

For high-risk situations like twin pregnancies, you’ll need to monitor both fetal heart rates separately. Some facilities use two partographs, while others modify a single chart. For women attempting vaginal birth after cesarean, particularly vigilant monitoring is essential, with special attention to abnormal fetal heart patterns or sudden changes in contractions that might indicate uterine rupture.

The partograph transforms complex clinical data into visual patterns that reveal the story of labour. A labour progressing well shows steady advancement along or to the left of the alert line, with corresponding fetal descent and reassuring fetal heart rates. Deviations from this pattern prompt you to investigate causes and intervene appropriately.

What do you think? How can healthcare facilities ensure consistent and accurate partograph use despite heavy workloads and staff shortages? What role might digital partographs play in improving labour monitoring in resource-limited settings?

References

1. https://medicalguidelines.msf.org/en/viewport/ONC/english/5-2-monitoring-labour-and-delivery-51416957.html
2. https://pmc.ncbi.nlm.nih.gov/articles/PMC5654066/
3. https://www.ncbi.nlm.nih.gov/books/NBK589699/
4. https://www.open.edu/openlearncreate/mod/oucontent/view.php?id=277&printable=1
5. https://pmc.ncbi.nlm.nih.gov/articles/PMC9231795/
6. https://pmc.ncbi.nlm.nih.gov/articles/PMC5783902/
7. https://www.who.int/news/item/15-12-2020-monitoring-childbirth-in-a-new-era-for-maternal-health
8. https://www.figo.org/news/who-labour-care-guide-new-global-standard-monitoring-childbirth