Validation of Maternal Anatomical Anthropometric Measurements to Predict Cephalopelvic Disproportion Among primigravid Women Visiting Governmental Hospitals in Addis Ababa, Ethiopia

Girma Seyoum



Background: CPD (Cephalopelvic Disproportion) is defined as a mismatch between the maternal birth canal (the pelvis), and the fetal head. In developing countries, a significant number of maternal deaths are attributable to the complications of obstructed labor typically CPD.


Objective of the study: To assess Validity of Maternal Anatomical Anthropometric Measurements to Predict CPD.


Methods: Hospital based prospective cohort study was carried out in three hospitals. The sample size was 384. The data collected included socio-demographic characteristics such as age, residence, level of education and occupation of mothers. Data for gestational age, socio demographic and mode of delivery were collected from ante natal care follow up charts.

Results: Among 384 nulliparous mothers 337 of them were delivered through spontaneous vaginal delivery and 47 mothers gave birth by cesarean section (CS) due to confirmed CPD. Statistically significant decrease (p=0.013) in the mean fetal weight was observed in children who were delivered through spontaneous vaginal delivery (SVD). Significant differences were noted for height, foot length, Michaelis horizontal and head circumference of mothers with and without CPD. When foot length is combined with other anthropometric measurements such as height, Michaelis horizontal and maternal head circumference its sensitivity increased to 59.6%, 33.3% and 30.4% respectively

Conclusions: In the present study, the variable that predicted Cephalopelvic Disproportion the most was maternal height. In addition, foot length, head circumference and Michaelis horizontal diameter were also found to be predictors of CPD.


Key words: Cephalopelvic disproportion, Spontaneous vaginal delivery, anthropometric                                       measurements.


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