Pregnancy complications—definitions
Pregnancy loss . | Weeks of gestation . |
|---|---|
| Embryonic loss | Between 5 and 10 |
| Fetal loss | After 10 |
| Miscarriages | Before 20 |
| IUFD (still birth) | After 20 |
| First-trimester loss | 5-12 |
| Second-trimester loss | 13-24 |
| Third-trimester loss | After 24 |
Pregnancy loss . | Weeks of gestation . |
|---|---|
| Embryonic loss | Between 5 and 10 |
| Fetal loss | After 10 |
| Miscarriages | Before 20 |
| IUFD (still birth) | After 20 |
| First-trimester loss | 5-12 |
| Second-trimester loss | 13-24 |
| Third-trimester loss | After 24 |
Placental abruption indicates premature separation of a normally located placenta prior to delivery of the fetus; preeclampsia, pregnancy-induced or -aggravated hypertension that may be associated with proteinuria and/or other manifestations; and intrauterine growth restriction (IUGR), a fetus small for gestational age (< 10th percentile, or < 3rd percentile [severe IUGR]).