I used to be on birth control for almost two years. I stopped taking the pill on Oct. 21 and had a withdrawal period on the Oct. 24th. Within that week, I've had unprotected sex. When I spoke with my family planning nurse, she said to wait until the 14th of this month to get my period (which passed 4 days ago). I did not get my period yet, and I am expected to wait again until the 25th. However, along with other possible pregnancy symptoms, I noticed a line running from my ribcage through my belly button, to my pubic bone. It is very faint, but it was enough for me to notice it after I took a shower last night (I make it a habit to check my body very often due to my family's medical history). So I decided to take a urine test this afternoon and it came out negative. This doesn't make sense to me because I've read that the line appears when a woman has high levels of hcg, which would have made the pregnancy test a strong positive (unless it was because it wasn't the first pee of the day). I've also read that it could appear due to high levels of estrogen, but I've been off the pill for a couple of weeks, so shouldn't my levels be decreasing?? Plus, I've never seen this line WHILE I was on the pill. In addition, I've been experiencing a grinding feeling in my lower abdomen a week after the day I supposedly conceived. It has been ongoing til this day. Some days it would be very severe, but latelt it has calmed down a bit. Also, there are times where I feel like I'm seriously going to have my period (that rush that comes out as if you bled a little), but there 'd be no trace of blood at all! Just a lot of cervical mucous! (Sorry if it's TMI). Then I start cramping more and I start to cry because I have no idea what my body is doing to me. I've taken 4 urine tests and they are all BFNS. I will opt for a blood test after I meet with my family doctor next week, but my main concern is this line on my belly because this is very new to me and I'm kind of scared. This would be my first pregnancy if I am, so it cant come from anywhere else. Thank you in advance.