| Pre-Pregnancy Size | Current Chest | For Two Fitness Size |
| S (2-6) | 32"- 37" | S |
| M (8-10) | 38"- 39" | M |
| L (12-14) | 40"- 41" | L |
| XL (16-18) | 42"- 43" | XL |
| Pre-Pregnancy Size | Current Hips | For Two Fitness Size |
| S (4-6) | 38"- 39" | S |
| M (8-10) | 40"- 41" | M |
| L (12-14) | 42"- 43" | L |
| XL (16-18) | 45"- 46" | XL |