[GS-080] A case of ectopic pregnancy that a pregnancy test with the urine was negative ○Satoshi Nishiyama, Sotaro Hayashi, Lifa Lee, Yoko To, Hiroshi Tsujioka (Department of Obstetrica and gynecology, Aso Iizuka Hospital, Fukuoka, Japan) Abstract password authentication.Password is required to view the abstract. Please enter a password to authenticate. Password Authentication