Table 7.
Fertility parameters after natural mating and in utero artificial insemination of rats fed SD or HFD during 15 weeks
| Natural Mating | In utero insemination | |||
|---|---|---|---|---|
| SD | HFD | SD | HFD | |
| Fertility potential (%)a | 100 (92.15 - 100) | 100 (85.7 - 100) | 91.89 (77.43 - 100) | 75.00 (65.39 - 95.46) |
| Body weight of dams (g)b | 356.67 ± 10.67 | 355.88 ± 6.51 | 314.80 ± 12.58 | 286.16 ± 12.43 |
| Number of corpora lutea b | 12.25 ± 0.45 | 13.15 ± 0.37 | 12.90 ± 0.74 | 11.86 ± 0.40 |
| Number of implantation sites b | 11.67 ± 0.69 | 12.38 ± 0.40 | 10.9 ± 0.55 | 8.71 ± 1.41 |
| Number of fetuses per litter b | 11.25 ± 0.66 | 10.85 ± 1.00 | 10.7 ± 0.58 | 7.86 ± 1.41 |
| Preimplantation loss (%)a | 0 (0 - 7.85) | 0 (0 - 14.3) | 8.12 ( 0 - 22.32) | 25.00 ( 4.55 - 34.62) |
| Postimplantation loss (%)a | 0 (0 - 7.1) | 0 (0-7.1) | 0 ( 0 - 0) | 0 ( 0 - 0) |
| N | 12 | 13 | 10 | 7 |
aData expressed as median (Q1 - Q3). bData expressed as mean ± S.E.M. Mann-Whitney test. p > 0.05