<prompt> Ectopic pregnancy occurs in all EXCEPTPIDIUDHistory of previous ectopicDUB  <response>: i.e. DUB: 178-Duttas7th 266-67-Shaws 15thRISK FACTORS OF ECTOPIC PREGNANCY History of PID History of tubal ligation Contraception failure Previous ectopic pregnancy Tubal reconstructive surgery History of infertility ART particularly if the tube are patent but damaged IUD use Previous induced abortion Tubal endometriosis Sonography scan reveals adnexal mass Adenexal mass 3cmAdnexal mass 3-5 cmAdnexal mass 5cm or free fluidMedical managementLaparoscopyLaparotomy Methotrexate leucovorum Prostaglandin F2a RU - 486 KC1. hypermolar glucose Salpingectomy Milking fimbrial end pregnancy Salpingotomy Salpingostomy Resection Study opposite tube Salpingectomy Salpingo-oophorectomy Study opposit tubeFollow up with hCGSerial serum quantitative titres SuccessfulhCG rising or plateau or bleeding Laparotomy Treatment of ectopic tubal pregnancy ETP 