<prompt> Heterotopic pregnancy isPregnancy occurring in both tubesExtrauterine and intrauterine pregnancyOvarian and tubal pregnancyCervical pregnancy  <response>: A heterotopic pregnancy is a rare complication of pregnancy in which both extra-uterine ectopic pregnancy and intrauterine pregnancy occur simultaneously. Incidence of this has now increased to around 1 in 3000 pregnancies due to the advent of IVF. It may also be referred to as a combined ectopic pregnancy multiple sited pregnancy, or co-incident pregnancy. 