Table 8 Mean (± SEM) values of Doppler parameters in the cotyledonary artery during consecutive stages of pregnancy in sheep (n = 16)

35–50 days

10.33 ± 0.17^Aa

0.00^A

NO

1.00^A

2.26 ± 0.02^A

55–70 days

13.18 ± 0.61^A

0.04 ± 0.02^A

12.03 ± 2.81^a

1.00^A

2.55 ± 1.14^A

75–90 days

14.49 ± 0.76^Ab

3.30 ± 0.34^B

12.62 ± 4.42^a

0.75 ± 0.03^B

1.37 ± 0.10^Ba

95–110 days

22.25 ± 0.79^B

6.10 ± 0.41^C

3.78 ± 0.33^b

0.67 ± 0.03^B

1.40 ± 0.06^Ba

130–145 days

22.87 ± 3.32^B

12.10 ± 1.13^D

1.77 ± 0.48^b

0.35 ± 0.12^C

0.64 ± 0.17^Bb