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Table 9 Blood flow parameters of the uteroplacental arteries in normal gestation and threatened abortion groups during 40 to 50 days

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

Sr. No Parameter 40 to 50 days ‘t’ Cal ‘t’ Table
Normal gestation (n = 20) Threatened abortion (n = 20)
1 SPV (cm/sec) 31.49 ± 4.55 30.66 ± 4.53 0.57 2.02
2 EDV (cm/sec) 15.54 ± 3.07a 06.95 ± 1.87b 10.52
3 PI 00.89 ± 0.42a 01.17 ± 0.17b 2.65
4 RI 00.56 ± 0.15a 00.77 ± 0.05b 5.49
  1. [Different superscripts within row denote significant differences (p < 0.05).]