| History of thrombocytopenia in prior pregnancies that resolved after delivery |
| Later onset of thrombocytopenia (usually late second to early third trimesters) |
| Overall mild thrombocytopenia (platelet count expected to remain above >70 × 109/L) |
| Absence of fetal thrombocytopenia or bleeding9 |
| Spontaneous and rapid recovery to normal platelet count postpartum |
| Recurrence in future pregnancies with similar course and platelet nadirs10,11 |
| History of thrombocytopenia in prior pregnancies that resolved after delivery |
| Later onset of thrombocytopenia (usually late second to early third trimesters) |
| Overall mild thrombocytopenia (platelet count expected to remain above >70 × 109/L) |
| Absence of fetal thrombocytopenia or bleeding9 |
| Spontaneous and rapid recovery to normal platelet count postpartum |
| Recurrence in future pregnancies with similar course and platelet nadirs10,11 |