Pregnancy characteristics and outcomes.
| All pregnancies | Pregnancy after diagnosis of IA | Pregnancy before diagnosis of IA | P value | |
| Pregnancy characteristics | ||||
| Total number of pregnancies | 897 | 220 | 677 | |
| Maternal age at conception, mean (SD) | 29.00 (5.00) | 30.69 (5.16) | 28.45 (4.83) | p<0.005 |
| Paternal age at conception, mean (SD) | 31.31 (5.72) | 34.27 (6.08) | 30.49 (5.34) | p<0.005 |
| Spontaneous pregnancy, n (%) | 854 (95.21) | 200 (90.91) | 654 (96.60) | p<0.005 |
| Pregnancy duration-months, median (IQR) | 39 (38-40) | 39 (38-40) | 39 (38-40) | p=0.928 |
| Pregnancy outcomes | ||||
| Live births, n (%) | 794 (88.52) | 190 (86.36) | 604 (89.22) | p=0.053 |
| Miscarriage, n (%) | 78 (8.70) | 27 (12.27) | 51 (7.53) | p<0.05 |
| Abortion, n (%) | 25 (2.78) | 3 (1.36) | 22 (3.25) | p=0.128 |
| *Medical indication | 5 (20.00) | 0 (0) | 5 (22.73) | |
| *Personal reasons | 20 (80.00) | 3 (100.00) | 17 (77.27) | |
| Pre-term birth | 149 (16.61) | 31 (14.09) | 118 (17.43) | p=0.248 |
| Pregnancy complications | ||||
| No complications during pregnancy, n (%) | 754 (84.34) | 184 (83.64) | 570 (84.57) | p=0.741 |
| Hypertensive disorders (hypertension, pre/eclampsia), n (%) | 41 (4.57) | 8 (3.64) | 33 (4.87) | p=0.445 |
| Gestational Diabetes Mellitus | 11 (1.28) | 2 (0.94) | 9 (1.38) | p=0.619 |
| Growth restriction | 12 (1.34) | 1 (0.45) | 11 (1.65) | p=0.193 |