From: Sex differences in umbilical artery Doppler indices: a longitudinal study
Gestation (week) | UA PIa | UA RIa | UA S/D ratioa | Fetal HR |
---|---|---|---|---|
P value | P value | P value | P value | |
20 | 0.00795 | 0.00282 | 0.00213 | 0.58551 |
21 | 0.00695 | 0.00219 | 0.00171 | 0.44020 |
22 | 0.00621 | 0.00172 | 0.00139 | 0.30634 |
23 | 0.00573 | 0.00139 | 0.00117 | 0.19662 |
24 | 0.00552 | 0.00117 | 0.00103 | 0.11804 |
25 | 0.00564 | 0.00104 | 0.00097 | 0.06888 |
26 | 0.00616 | 0.00102 | 0.00100 | 0.04136 |
27 | 0.00724 | 0.00109 | 0.00113 | 0.02704 |
28 | 0.00915 | 0.00132 | 0.00141 | 0.01991 |
29 | 0.01234 | 0.00178 | 0.00196 | 0.01656 |
30 | 0.01748 | 0.00264 | 0.00295 | 0.01526 |
31 | 0.02550 | 0.00421 | 0.00473 | 0.01518 |
32 | 0.03755 | 0.00699 | 0.00784 | 0.01586 |
33 | 0.05486 | 0.01172 | 0.01309 | 0.01706 |
34 | 0.07849 | 0.01939 | 0.02150 | 0.01864 |
35 | 0.10911 | 0.03110 | 0.03424 | 0.02049 |
36 | 0.14679 | 0.04786 | 0.05239 | 0.02253 |
37 | 0.19098 | 0.07041 | 0.07670 | 0.02470 |
38 | 0.24064 | 0.09901 | 0.10746 | 0.02696 |
39 | 0.29443 | 0.13342 | 0.14444 | 0.02926 |
40 | 0.35092 | 0.17300 | 0.18692 | 0.03159 |
Overallb | 0.07560 | 0.01850 | 0.01980 | 0.02560 |