Eligibility criteria
We included all studies that met the following criteria: 1) Patients:
women with interstitial (cornual) pregnancy, 2) Intervention: all types
of laparoscopic surgeries, 3) Comparator: all types of open surgeries,
4) Outcomes: all reported outcomes especially those regarding bleeding,
operation time and hospital stay, and 5) Study design: all
interventional and observational studies (Cohort, case-control,
cross-sectional, case series and case report). We excluded conference
abstracts, non-English studies, reviews, studies that report the effect
of only one type of surgery. No restriction on age, place, and
publication date.