How will I know if FC2 Female Condom® is inserted correctly in my vagina? FC2 is inserted correctly when the inner ring is pushed past the pubic bone. The outer ring and part of the condom is flat around the opening of the vagina, covering the external genitalia. You can check that the condom is in place by inserting your index or middle finger into the vagina past the pubic bone. You can feel your pubic bone by curving your index or middle finger when it is a couple of inches inside your vagina.You should be able to feel that the inner ring is past the pubic bone on the front wall of the vagina.