Hey I Am Not Ragular On Periods And Been Trying

Hey I am not ragular on periods and been trying to get pregnant for maybe three years naw I did have two pregnancys but the second one was good and the first was not I lost her so I was taking birth control pills for feb and March of 2016 and I tried to get pregnant but I took a pregnant test and nothing but about two weeks ago I started have like clear and white discharge on my breast so could I be pregnant and it's to early to tell or ? This has never happened before till naw and I tried on March 11 of this year but not shore if I am and been having lots of headaches and stomach pain also