I'm 19 we have been trying to have a baby for 7 months I'm not on birth control and we don't use a condom but so far nothing since we've started my periods have been irregular and the last 3 month they have only been 2 or 3 days light flow but I went in in January to take a blood test and it was negative. But we have still been trying? Why is it taking so long?is there a problem with me?

