Table 3.
Comparisons of marginal mean (95% CI) total T3 (ng/ml), total T4 (ng/ml) and the T3:T4 ratio (×1000) during the first and combined second and third trimesters of pregnancy with non-pregnant, non-lactating, adult females and non-pregnant, lactating females
| Group | tT3 | tT4 | tT3:tT4 | |
|---|---|---|---|---|
| Adult female (n = 26) |
0.49 (0.43–0.56) |
38.9 (35.0–43.3) |
12.2 (10.5–14.2) |
|
| First trimester (n = 17) |
0.42 (0.35–0.49) |
39.2 (34.1–44.9) |
11.6 (9.5–14.0) |
|
| Second and third trimester (n = 23) |
0.37 (0.32–0.43) |
37.3 (32.3–42.2) |
9.7 (8.2–11.5) |
|
| Lactating female (n = 14) |
0.56 (0.47–0.67) |
35.0 (29.5–41.7) |
16.3 (13.1–20.4) |
|
| Sidak Groups | Second and third < AF First, second, and third < LF |
NSD | AF, first, second, and third < LF | |
Females with confirmed calf loss either during gestation or after delivery were not included in this analysis.
NSD: no significant difference.