can i ask something. my last menstraution heavy october 2 to 5 2016. and november 14 to 16 not heavy is it spotting. and this december 2016 i wasnt able to have menstratuation flow. i will able to visit my obgynecology and she tells me that i have a normal size anterverted uterus with THICK endometrium. I dont know whats the meaning of that? can you please explain it to me. i have neagative pregnancy test. but this January 2017 i have already started on january 2 and until now. i feel cramps yesterday and now. but my menstruation not having a clots. its a heavy flow. whats the meaning of that?