So my period was due October 14. It's now the 17th. I still don't have it. I also never miss a period and I'm never late. I was checked out by a fertility doctor and everything is fine with me. I'm thinking I ovulated late but I didn't use an opk this month so I don't know definitely. Question is, how late have people been before they got a positive? I'm almost positive I'm pregnant but I keep getting negatives!!! I always get period cramps before my period plus spotting, I've had nothing. My obgyn told me to test in two weeks. I don't want to wait that long. I'm thinking I'll test Saturday. I have to get my thyroid medicine increased, so I really want to know because I have had two miscarriages!