Can Large Fibroids Cause Delay In Periods?

can large fibroids on both side for years with regular period delay menstral periods for 3months plus. since l started period on a monthly basis it has never delayed not to talk of 3months plus though l am using some herbs to treat the fibroid like rashberry, angus castus, black cohosh, devil claw's, ABC plus, n-acetyl, echinea, goldmeal regular since december 2010 and the symptoms reduced but discovered that my period stopped coming after feburary period till now. l have also taken some natural herbs before and stopped while the period was still regular. pls kindly advice me although l just had uterine artery embolisation(UAE/UFE) done on 31/5/11 pregnancy test was negative in two places before the procedure, also ran another blood test for thyoid, hormone imbalance and found all normal without menopause either, what should l do l will be 44years. email address is YYYY@YYYY . height 24, weight 54, medical history is uterine fibroid observed 2006. l will be grateful for advice, thank you. ife