TABLE 2.
Summary of 56 Previously Published Cases of Diffuse SARS-CoV-2 Placentitis Plus the Additional 4 Cases in This Report
| n (%) | |||
|---|---|---|---|
| All | Liveborn Infants | Stillbirths | |
| N | 60* | 31 | 22 |
| Maternal age, median (range) (y) | 32 (19-46) | 35 (19-46) | 30 (22-38) |
| Timing of positive CoV-2 test (days predelivery), median (range) | 4.5 (0-51) | 0 (0-51) | 10 (0-17) |
| Primiparity | 10/25 (40) | 6/13 (46) | 2/7 (29) |
| Gestational age <37 wk | 42 (70) | 19 (61) | 20 (91) |
| Gestational age <32 wk | 22 (37) | 7 (23) | 14 (64) |
| Preeclampsia | 4 (6.7) | 3 (9.7) | 1 (4.5) |
| COVID-19: asymptomatic | 5 (8.3) | 2 (6.5) | 1 (4.5) |
| Mild | 27 (45) | 16 (52) | 9 (41) |
| Severe | 1 (1.7) | 1 (3.2) | 0 |
| Male fetus/infant | 15/25 (60) | 6/13 (46) | 9/12 (75) |
| Birth weight <10th percentile | 3 (5.0) | 3 (9.7) | 0 |
| Apgar score 5 min <7 | — | 6/17 (35) | — |
| Placenta | |||
| Weight <10th percentile | 6 (10) | 4 (13) | 2 (9.1) |
| MVM | 4 (6.7) | 1 (3.2) | 2 (9.1) |
| FVM | 5 (8.3) | 1 (3.2) | 1 (4.5) |
| VUE | 5 (8.3) | 3 (9.7) | 0 |
| Intervillous thrombi | 6 (10) | 2 (6.5) | 4 (18) |
*
Seven published cases were not classified as either stillborn or liveborn.