I went on Metformin to try to regulate my periods. The best I could get to was 60 ish day cycles. I charted with
www.tcoyf.com software. This was useful.
I had tried Clearplan but with such long cycles it wasn't esp helpful.
I happen to have several microscopes, so I tried to look at my saliva for ferning -- which was really neat! But of all-- TCOYF was the most useful. I still use it today to monitor menses.
I decided I'd give it a year before trying out Clomid. I went in, got the prescription for Clomid and was waiting for period to arrive before I started taking it.
I never did because I was pregnant! So other than Met, I never had anything else. I was working out regularly and lost a bit -- maybe 20 lb max, and I was eating a vegetarian diet at that time trying to reduce my hormone load from food.
This FAQ on low tech ways to conceive was helpful too.
http://www.fertilityplus.org/faq/lowtechfaq.html
HTH!
A.