2006 Revised antiphospholipid syndrome classification criteria for pregnancy morbidity subgroups
| Subgroups | VE with or without PM n = 15 (%) | PM only n = 19 (%) | |
|---|---|---|---|
| PM, pregnancy morbidity; VE, vascular event. | |||
| (A) One or more unexplained deaths of a morphologically normal neonate, or beyond the 10th week of gestation, with normal fetal morphology documented by ultrasound or by direct examination of the fetus | 6 (40) | 9 (47) | |
| (B) One or more premature births of a morphologically normal neonate before the 34th week of gestation because of: (1) eclampsia or severe pre-eclampsia defined according to standard definition or (2) recognised features of placental insufficiency | 9 (60) | 7 (37) | |
| (C) Three or more unexplained consecutive spontaneous abortions before the 10th week of gestation, with maternal anatomic or hormonal abnormalities and paternal and maternal chromosomal causes excluded | 0 | 3 (16) | |