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Reference Centile Chart of Fetal Cerebroplacental Doppler from 24 to 40 Weeks Gestation in Indian Population
Tarul Umarwal1, Manisha Kumar1
1Department of Obstetrics and Gynecology, LHMC, Lady Hardinge Medical College, Shahid Bhagat Singh Marg, New Delhi, 110001 India.
Objective:
Construction of reference centile chart of middle cerebral (MCA) and umbilical artery (UA) Doppler along with cerebroplacental ratio from 24 to 40 weeks gestation in Indian population.
Method:
It was a cross-sectional observational study; antenatal women between 24 and 40 weeks gestation underwent the MCA and UA Doppler. The centile charts for MCA, UA and cerebroplacental ratio (CPR) were derived.
Results:
Total 300 antenatal women were included; the MCA PI, RI, S/D ratio values showed a parabolic curve with the peak at 33-35 weeks; the umbilical artery Doppler and cerebroplacental ratio showed a linear decrease with increasing gestational age. The regression analysis showed a weak correlation between the Doppler parameters and the gestational age. The MOM values of all Doppler parameters, across the gestational age, were also derived.
Conclusion:
The constructed MCA, UA and CPR charts along with their MOM values could be used as reference for the regional population.
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