Science is the study of the natural world around us which tries to explain the mysteries of the natural world based on the facts.
The science demystifies the mysteries of the natural world on the basis of experiments and the predictions. This explains that the world is stable and is interlinked with each other which work on the universal laws and rules.
These rules and laws do not change instantly and unpredictably and if changed will cause instability in the world.
Ectopic pregnancy can cause the burst of fallopian tube. If previous ectopic pregnancy occured then again onset of this type of pregnancy may lead to life threatening bleeding. Having the abdominal surgery before may also proved as a risk.