Not menstrating - Have you experienced this?

I was wondering if anyone has had any experience with not getting their period for any length of time?

We we're planning to TTC #2 next year though it has been nearly 12weeks since the first day of my last period, and no, i'm definately not pregnant.

I had very irregular periods in my younger years, and I believe it is due to the intense exercise I am doing. In the past, I have gone 2 years without menstrating and the doctors said it was due to my exercise then.

I can cut back on my trianing, but would prefer not to so I am wondering if there is anything natural I can take to help move things along. I have heard VITEX is good

I have been charting for the past couple of weeks & have low temps, high, soft & open cervix & heaps of EWCM (for at least 9 days). I think I am over producing estrogen & not enough progesterone.

I will go to the doctor in the new year if things haven't improved though I'd like to try natural remedies first.

I know it all sounds a bit technical, though I thought someone here may have experienced this.

TIA

I haven't but I'd suggest a visit to a naturopath maybe?? they should be able to help naturally?