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Trans-Abdominal Ultrasonography during Second and Third Trimester in Murrah Buffaloes

Gyan Singh; Ramesh Kumar Chandolia; Ravi Dutt; Anil Saini; Jasmer Dalal; Rakesh Kumar Malik; Suresh Kumar Chhikara.

Ultrasonographic studies using trans-abdominal probe were conducted on six healthy pregnant Murrah buffaloes from 4th to 10th month of gestation.The fetal heart beat was also recorded on 5.5 month (136.83 ± 1.70) of gestation which decreased significantly (92.5 ± 3.43) as gestation period advanced. The pixel values of fetal fluid (40.44 ±1.19 to 36.72 ±2.33) varied non-significantly during the entire period of examination.The decrease in resistive index (RI) and pulsatility index (PI) throughout the gestation was recorded which may be due to progressive maturation of the placenta and increase in the number of tertiary stem villi and this indicates that with the advancement of pregnancy and there was significant reduction in RI (1.39 ±0.18 to 0.66 ± 0.97) and PI (3.72 ± 0.65 to 1.17 ± 0.15) values of umbilicus from 6.5 to 10th month of gestation. The RI and PI values of umbilicus decrease significantly indicating the sufficient blood flow to fetusdue to decrease in resistance and thus maintenance of normal pregnancy. It is concluded that pregnancy and fetal status could be assessed after five and half months of gestation periodtrans-abdominally.

Key words: Fetal Heart Beat;Pregnant;Pulsatility Index;Murrah Buffaloes;Resistive Index;Ultrasonographic Studies

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