TABLE 3.
Dam Weight Gain and Pregnancy Ratesa
| Sidestream Smoke Exposure on Gestational Days 6–18.5
| |||||
|---|---|---|---|---|---|
| Weight Gainb (g)c | No. of Dams Exposed | No. Pregnant | % Pregnant | No. of Dams Excluded for <4 Implantations | |
| Folr2+/+ - Sham | 13.5 ± 1.1 (6) | 10 | 8 | 80.0 | 1 |
| Folr2+/+ - CSE | 13.0 ± 1.1 (8) | 10 | 8 | 80.0 | 0 |
| Folr2−/− - Sham | 14.6 ± 1.1 (7) | 11 | 9 | 81.8 | 1 |
| Folr2−/− - CSE | 14.4 ± 0.7 (10) | 17 | 10 | 58.8 | 0 |
| C57BL/6J - Sham | 15.1 ± 0.4 (8) | 11 | 9 | 81.8 | 1 |
| C57BL/6J - CSE | 12.8 ± 0.5d (9) | 15 | 11 | 73.3 | 1 |
a
Dams were weighed daily (gd 6–18) and pregnancy rates were assessed on day 18.5 of gestation.
b
Dam weight gain data are reported as mean ± SEM (n = 6–10 dams per group).
c
Integers inside the parenthesis indicate the number of dams per treatment group.
d
Cigarette smoke-exposed C57BL/6J dams gained less weight than sham-exposed dams (p < 0.05).