I had sex a week ago, a little over a week ago, three weeks ago and almost two weeks ago. Took a test Monday and it was negative. But my appetite has been soooo big and weird. I had cereal and a slice of cheese for dinner then had pancakes and a hard boiled egg. Like I can't get enough food and I've never been like this before. Could I be pregnant from the sex two weeks ago or one week ago and it was too early to show up on a test? I'm also having random bits of brown discharge and no period. Before the brown discharge it was an excess amount of white/clear