Table 3.
Pregnancy-related outcomes stratified by study mean maternal age
| Study mean maternal age (years) | ||||
|---|---|---|---|---|
| < 25 | 25–29 | 30–34 | ≥35 | |
| Number of papers | 3 | 22 | 35 | 1 |
| Number of pregnancies | 103 | 723 | 3474 | 11 |
| Mean maternal age (year) | 23.3 | 27.4 | 30.2 | 36.0 |
| Pregnancy Outcomes | ||||
| Live birth | 75.8% | 75.8% | 73.9% | na |
| Induced abortion | 14.0% | 11.3% | 11.0% | na |
| Spontaneous abortion | 19.8% | 16.0% | 13.3% | 18.2% |
| Still birth | 2.9% | 5.3% | 3.6% | 9.1% |
| Neonatal deaths | na | 5.4% | 3.0% | na |
| Cesarean section | 48.0% | 68.3% | 63.6% | na |
| Maternal Outcomes | ||||
| Preeclampsia | 17.1% | 13.7% | 26.5% | 27.3% |
| Pregnancy induced hypertension | 16.5% | 25.2% | 23.4% | na |
| Gestational diabetes | na | 5.8% | 7.0% | na |
| Fetal Outcomes | ||||
| Pre-term delivery | na | 46.4% | 47.4% | na |
| Mean gestation time (weeks) | 35.5 | 35.5 | 34.6 | na |
| Birth weight (grams) | 2460.0 | 2607.7 | 2456.9 | na |
| Graft Outcomes | ||||
| Acute rejection | 3.8% | 3.3% | 5.8% | na |
| Graft loss | na | 12.1% | 10.4% | 27.3% |
*na not available