Table II.
Results of the sensitivity analysis (SA). Impact of changes in assumptions on the latest starting age (years) for realizing a one-, two- or three-child family with a 90,75 or 50% chance of success.
| Without IVF** |
1 child 90% | 1 child 75% | 1 child 50% | 2 child 90% | 2 child 75% | 2 child 50% | 3 child 90% | 3 child 75% | 3 child 50% | |
|---|---|---|---|---|---|---|---|---|---|---|
| Pregn.Chance High* | SA1 | +1*** | +1 | 0 | +1 | 0 | 0 | +1 | +1 | +1 |
| Pregn.Chance Low | SA1 | −1 | 0 | 0 | 0 | −1 | −1 | −1 | −1 | 0 |
| Sterility Rates High | SA2 | −3 | 0 | −1 | −4 | −1 | −1 | −4 | 0 | 0 |
| Baseline age | 32 | 37 | 41 | 27 | 34 | 38 | 23 | 31 | 35 | |
| With IVF | 1 child 90% | 1 child 75% | 1 child 50% | 2 child 90% | 2 child 75% | 2 child 50% | 3 child 90% | 3 child 75% | 3 child 50% | |
| Pregn.Chance High | SA1 | +1 | 0 | 0 | +1 | +1 | 0 | +1 | 0 | 0 |
| Pregn.Chance Low | SA1 | 0 | 0 | 0 | 0 | 0 | −1 | −1 | −1 | −1 |
| Sterility Rates High | SA2 | 0 | 0 | −1 | −1 | 0 | −1 | −1 | −1 | −1 |
| IVF Results Improved | SA3 | +1 | 0 | 0 | +2 | +1 | 0 | +1 | 0 | 0 |
| Other Treatments | SA4 | +1 | 0 | 0 | +2 | +1 | 0 | +1 | 0 | 0 |
| IVF 1 cycle | SA5 | −1 | −1 | −1 | −2 | −1 | −1 | −3 | −2 | −1 |
| IVF 2 cycles | SA5 | 0 | −1 | 0 | −1 | 0 | −1 | −1 | −1 | 0 |
| Baseline age | 35 | 39 | 42 | 31 | 35 | 39 | 28 | 33 | 36 | |
*Pregn.Chance: chance of pregnancy.
**SA3, SA4 and SA5 only affect starting ages with IVF.
***Positive numbers indicate the number of years that couples can start later than under baseline assumptions, and negative numbers the number of years that couples should start earlier.