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Research Article

Association between antenatal cerebroplacental ratio and adverse pregnancy outcome

Authors:

J. Indika ,

Castle Street Hospital for Women, Colombo, LK
About J.
Senior Registrar, Obstetrics and Gynaecology
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P. H. P. De Silva,

Teaching Hospital Ragama, LK
About P. H. P.
Consultant Obstetrician and Gynaecologist
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J. Karunasinghe

Castle Street Hospital for Women, Colombo, LK
About J.
Consultant Obstetrician and Gynaecologist
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Abstract

ABSTRACT Introduction Foetuses with an abnormal Cerebroplacental Ratio, that are appropriate for gestational age may have higher incidence of foetal distress in labour and end up with caesarean section. Objectives To find out whether there is a relationship between the Cerebroplacental Ratio (CPR) at gestational age of 34 weeks and adverse pregnancy outcome. Methods Cross Sectional Descriptive Study was conducted among 421 pregnant women presented to North Colombo Teaching Hospital, Ragama. Singleton pregnancies with 34 weeks of gestational age were included and two structured data collection sheets were used as study instruments. Results Mean age of the study participants was 31.33 years (SD=5.79 years). Majority were multigravida mothers (N=317:75.29%). CPR and birth weight have a relationship to predict a normal or increased birth weight (AUC 0.673:95%: CI 0.578:0.76). There is a significant relationship between CPR value and having a birth weight more than 3.5kg (AUC >0.5). Significantly higher number of participants underwent normal vaginal deliveries (N=334:79.3%). A significant difference is observed between the mean CPR values of mothers who underwent NVD and LSCS (t=7.182: p<0.001). Relationship of CPR value is significantly adequate to predict SCBU admissions (AUC 0.761:95% CI 0.695-0.824) and to predict NVD by using the CPR value (AUC 0.743:95% CI 0.663-0.823). Conclusions There is a significant relationship between the CPR value calculated by USS at the 34th week of gestation and incidence of NVD.A relationship which is adequate for predicting birth weight status is identified between CPR value and birth weight. Although there is a significant relationship between CPR and adverse prenatal outcomes, there were no factors to elicit a causative association.
How to Cite: Indika, J., De Silva, P.H.P. and Karunasinghe, J., 2021. Association between antenatal cerebroplacental ratio and adverse pregnancy outcome. Sri Lanka Journal of Obstetrics and Gynaecology, 43(1), pp.22–30. DOI: http://doi.org/10.4038/sljog.v43i1.7960
Published on 08 Apr 2021.
Peer Reviewed

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