Patient should be instructed to notify primary health-care provider if experiencing any of the following symptoms:
| Warning Sign | Possible Cause |
|---|---|
| Vaginal bleeding | Abortion Placenta previa Abruptio placentae Preterm labor |
| Leakage of vaginal fluid | Premature rupture of amniotic fluid Incontinence of urine |
| Dysuria | Urinary tract infection |
| Headache | Pregnancy-induced hypertension (PIH) |
| Altered vision Blurred vision Flashes of light | Pregnancy-induced hypertension (PIH) |
| Abdominal cramping | Preterm labor |
| Severe epigastric pain | Pregnancy-induced hypertension (PIH) |
| Decreased fetal movement | Fetal demise |
| Elevated temperature | Infection |
| Persistent vomiting | Hyperemesis gravidarum |