A women with menstrual cycles ranging from 4 to 6 weeks presents with vaginal bleeding following an amenorrhea of 6 weeks duration.A urine pregnancy test is positive.On vaginal exam the OS is closed.An endovaginal ultrasound is performed which reveals, an endometrial thickness of 12mm and an empty uterus.Adenxa are clear and there is no fluid in the pouch of Douglas.There is a corpus luteum cyst in left ovary.Which of the following will the most likely diagnosis?
1.Ectopic pregnancy
2.False positive pregnancy result
3.Complete abortion
4.Incomplete abortion
5.Complicated corpus luteal cyst