Estimating Gestational Age By Symphysis Fundal Height Last Normal Menstrual Period And Parameters Of Ultrasound In Third Trimester Pregnancy At Gandhi Memorial Hospital Addis Ababa Ethiopia

INTRODUCTUION: Gestational age is the age of the unborn baby. The accuraternknowledge of gestational age is the key for appropriate interpretation of antenatal testrnand effective planning for intervention or treatments.rnOBJECTIVE: To assess the accuracy of estimating gestational age by symphysis fundalrnheight (SFH) , last normal menstrual period (LNMP) and Ultrasound (US )measurementsrnduring third trimester pregnancy.rnMETHODS AND MATERIALS: Hospital based cross sectional study was carried outrnfrom June 9, 2016 – October 20, 2016 in radiology unit of Gandhi Memorial Hospital.rnEstimated gestational age was taken from 182 women of third trimester by LNMP, SFHrnand four parameter of ultrasound; femur length (FL), biparietal diameter (BPD), headrncircumference (HC) and abdominal circumference (AC). Data was analyzed using SPSSrnversion 21 computer program. The mean difference among different methods was testedrnfor significance using paired t-test. Correlations among measurements were tested. P-rnvalues less than 0.05 were taken as statistically significant.rnRESULT: The mean gestational age of pregnancy by recalled LNMP was 36.35 weeksrnwith standard deviation of 3.35 weeks. The mean gestational age by the parameters ofrnultrasound scan done by FL was 36.64 weeks, BPD was 36.57 weeks, HC was 34.01rnweeks, and AC was 33.94 weeks. The mean gestational age by SFH measurement wasrn34.88 weeks. The mean gestational age estimated by all three methods; SFH, LNMP andrnUS measurements had statistically significant difference (p ≤ 0.05). SFH estimate hadrnonly 0.39 week difference from estimate by composite of FL, BPD, HC and AC. FL andrnBPD had stronger correlation than HC and AC with composite US measurements. SFHrnhad stronger correlation with all ultrasound measurement than LNMP.rnCONCLUSION: SFH was better method to estimate gestational age than LNMP. ThernBPD and FL were more accurate measurement followed by AC and HC during third trimester in comparison with composite US measurementrnKey words: Gestational age; Symphysis fundal height; Ultrasound parameters; Third trimester

Get Full Work

Report copyright infringement or plagiarism