Cant be implantation cramp as I havent even O-ed! My bbt never goes up this cycle. Im already on cd 26. My usually cycle is about 33days. But my very first MC I had a 45days cycle before the first Af came. It could be an anovulation cycle in this one.
Usually men are not very receptive with ivf. But if circumstances call for it, then no choice right. Ok to me equation is simple. You have tried for years with no success AND you both want to have baby badly. Then just go ahead with ivf. If one has tried all and that's what it takes.
Littlej, one dip should not constitute to no hope. Can be many reasons like how you slept the night before... monitor tomorrow's ya.
Poohy, this waiting game so anxious one.... update update!