1)      Bleeding PV and any change in vital signs

2)      Bleeding PV and postural hypotension (Admit for resuscitation and Blood grouping)

3)      Evidence og peritonitis (Intraperitoneal bleeding)

4)      Fever, chills with bleeding PV and POA - Septic abortion

5)      No intrauterine gestational sac when serum QhCG level is more than 6500 (ectopic pregnancy)

6)      Serial serum QhCG values fall or level off before 10^th week of gestation (ectopic pregnancy)

7)      Abnormally high serum QhCG values (multiple gestation, gestational trophoblastic disease)

8)      Anemia

9)      Rh negative (needs Rhogam to prevent isoimmunization)