Sex with the Softcup?

I just recently started using the Softcup (I work long hours with little time for potty breaks to change out a pad or tampon- this lets me go about 12hours, I love it.) and the instruction packet said that you're able to have sex while using it. Just out of curiosity, does anyone have experience they wouldn't mind sharing? Did it hurt or even affect intercourse at all? Was hubby able to notice anything?