Hi, I am a 44 year old women who had the marina put in on the 22 January 2013, had period on the 22nd feb, come march have spotted on and off the got 1st period on the 21st march, I ve read it takes 6 months for the marina to a just in your system, is this all normal, for me I like to keep a track of my cycle. And can it eventually stop my monthly,s all together.