| Elements | Number | Percentage |
| Anticoagulant treatment | ||
| AVK | 11 | 55.00% |
| Heparin | 02 | 10.00% |
| Without anticoagulant | 7 | 35.00% |
| ANC provider | ||
| Obstetrician | 06 | 30.00% |
| Midwife | 14 | 70.00% |
| Pregnancy evolution | ||
| Spontaneous miscarriage | 04 | 20.00% |
| Normal | 16 | 80.00% |
| Maternal complications |
|
|
| None | 17 | 85.00% |
| Bad functioning tolerance | 03 | 15.00% |