wow ok so its like this, 13 days have past and still no AF i have all symptoms of pregnancy as i did with my 3yo daughter , slight sore boobs, constant dull lower back ache, frequent headaces,niggling pulling pains in lower abdomon, frequent urination, incresed cervical mucus, irritability,and just a knowing that my tummy just dont feel right ( kind of a warm waves inside my tummy) ooooh i didnt mention the 3 kg weight gain!! and all with 4 negative hpt under belt and am awaiting a blood test results from yesterday >.< Driving me nuts i know that even if the blood comes back negative i wont believe it as my sister was almost 3 months pregnant with 13 neg hpt and 2 neg blood tests. its driving me insain has anybody else just go threw this and just KNOW they were pregnant ?