this is the second month this has happened. My period starts on the 22nd of September, I went off on the 27th, had unprotected sex on the 28th and 29th.. then 5 days later I have light bleeding for 4 days then..my cycle begins again as regularly on October 22nd goes until the 27th of the month, i have unprotected sex again on 7th and 8th of November and now im having the bleeding again but this time its very stringy. my period is not due till the 22nd of this month, what am I going thru