Has anyone tested negative before AF due but still been pregnant?

Question

We are ttc for last 3 months and this month i have monitored when i was ovulating and timed things around this, i am due Mon 8th and took an early test this morn and tested Neg, I ovulated on the 25th Aug then on Sat 30th Aug i had cramping and slight pains on and off all day, and today feel like i am due to come on slight cramps, has anyone tested Neg before Af due and still been pregnant. Please reply i so want to be pregnant.

Answer 1

i tested from implantation dip 6 days past ov and got negs until day 12 past ov i got a bfp

test 2 days b4 due af then again at 1 day past due af if neg the first time