http://www.medications.com/effect/view/36451 I took this medication for 7 days 2 times a day for bacterial vaginosis. I thought I was pregnant!!! I am always regular each month and on this medication I got my period 3 days early! It was thought to be implantation bleeding because it was very light etc Wed, 26 Nov 2008 05:47:33 -0500 http://www.medications.com/effect/view/36451?item=14844 I'm on this medication right now and i'm experiencing the light period i had cramps and pms i hope im not pregnant right now-im young and in school, i cant care for a baby emotionally or financially. My cycles are always 28 days for the last few months cam http://www.medications.com/effect/view/36451?item=14844 Wed, 26 Nov 2008 05:48:43 -0500 http://www.medications.com/effect/view/36451?item=14845 oh and im also on this for bacterial infection http://www.medications.com/effect/view/36451?item=14845