Hoping someone can give me a bit of guidance, only been TTC for a couple of months and have been measuring BBT and LH for this month only - have noticed that I don't seem to reach the peak of ovulation. Yesterday I had LH levels of about 80 then later on in the evening it had gone down, this morning only on 10, haven't had any raise in BBT levels. Does anyone know why this could be? I have advanced ovarian ageing due to going through chemo a few years ago so I'm worried it might be that