I just started Loestrin two weeks ago, already had unprotected sex

I just started Loestrin 24 using the Sunday Start. I haven't missed a single pill. My boyfriend and I have been together for four years and just recently decided to become sexually active. I had taken the pills for twelve days when we had sex. Should I be worried?

I, too, have had the problem with spotting. My period went on for about seven days. Now it has been almost three weeks and I haven't stopped spotting yet!