Vaginal redness accompanied by back pain is a symptom of labor, most of them can start effective contractions within 24 to 48 hours, and should be promptly hospitalized.
Seeing red is a reliable signal that labor is about to begin, it is the separation of the fetal membranes from the wall of the uterus at the endocervical os, and a small amount of bleeding caused by the rupture of capillaries, and most of the pregnant women can start effective contractions within 24~48 hours after seeing red.
Low back pain may be associated with irregular contractions. After the onset of this symptom, it is recommended to visit the obstetrics clinic in a timely manner and be evaluated by an obstetrician to decide whether or not to be admitted to the hospital for delivery.
If there is heavy vaginal bleeding during pregnancy, the amount of which is similar to or more than that of menstruation, it should be considered as pathologic prenatal hemorrhage, and common causes include placenta praevia and placental abruption, etc., and should be promptly consulted in hospital to avoid serious adverse consequences.