Table 1 Comparison of spontaneous abortions among BRCA mutation carriers and non-carriers
From: Spontaneous and therapeutic abortions and the risk of breast cancer among BRCAmutation carriers
All carriers | BRCA1 | BRCA2 | Non-carriers | |
|---|---|---|---|---|
Age (mean) | 49.7 | 48.8 | 51.3 | 46.7 |
Year of birth (mean) | 1950 | 1951 | 1948 | 1951 |
Number of full-term pregnancies | 2.38 | 2.36 | 2.42 | 2.43 |
Number of spontaneous abortions | ||||
Never | 2,103 (73.9%) | 1,404 (74.8%) | 688 (72.4%) | 478 (72.8%) |
Ever | 743 (26.1%) | 474 (25.2%) | 262 (27.6%) | 179 (27.2%) |
1 | 527 (18.5%) | 332 (17.7%) | 189 (19.9%) | 134 (20.4%) |
2 | 145 (5.1%) | 95 (5.0%) | 49 (5.2%) | 30 (5.0%) |
3+ | 71 (2.5%) | 47 (2.5%) | 24 (2.5%) | 15 (2.3%) |
Mean | 0.38 | 0.37 | 0.40 | 0.38 |