Difference between ectopic pregnancy and threatened aboion is: (A) Minimal vaginal bleeding, (B) Pain follows bleeding, (C) Uterine size corresponds to gestational age, (D) Manifests at an early age
Answer is C. In Threatened aboion , uterus corresponds to the period of amenorrhea In ectopic pregnancy, uterus is normal or slightly bulky. Ref: Dutta Obs 9e pg171.