***Let me preface that this is about contraception and TOM, so if you don't want to go further, I won't be offended*** I have had two IUDs in place over the last 10 years (2 5-yr devices). As a total bonus, I have not had a period during those past 10 years . I have not had a hysterectomy and have not been through menopause. I'm just one of the lucky ones who doesn't menstruate with an IUD. However, on P2D8, I got my period. I assume this is a result of HCG, but don't really know. I certainly didn't find anything about this in Pounds & Inches. Is this something I need to question with my doc? Thanks!