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Table 12 Blood flow parameters of the umbilical arteries in normal gestation and threatened abortion groups during 51 to 60 days

From: Doppler evaluation of maternal vessels in normal gestation and threatened abortion in canines

Sr. No Parameter 51 to 60 days ‘t’ Cal ‘t’ Table
Normal gestation (n = 20) Threatened abortion (n = 15)
1 SPV (cm/sec) 40.37 ± 9.60 42.52 ± 5.96 0.76 2.03
2 EDV (cm/sec) 08.72 ± 1.88 09.39 ± 1.77 1.07
3 PI 01.33 ± 0.22 01.42 ± 0.45 0.74
4 RI 00.77 ± 0.05 00.77 ± 0.02 0.26