My husband and I had unprotected sex a couple of times before my period. I started to have spotting after my lower back was hurting. I did that  for a couple of days, then I had one day of heavy bleeding and now it's back to being light. Normally I have a heavy period for a few days. I am on the Ortho Evra patch but was a day late putting it on since I forgot them in New Jersey while visiting my mother in law. I am having the same type of pregnancy symptoms I had when I was pregnant with our son (now 3). Sore lower back, bloated, gassy, sore breasts which are also leaking clear liquid and I am also craving foods.The pregnancy tests I have taken have all come back negative, but I feel like I am pregnant. I have been wanting to wait to go the doctor until I am due for my next period to make an appointment with my doctor. My back is really killing me as are my breasts. I feel like I am going out of my mind. I really want another baby so that my son will have a brother or sister to play with. Please Help!!