Hi girls just want a bit of help advice really well I started metformin

I think September time came on my period with in 10-14 days of taking it sort of reg about 40 ish days a part but in between all that I had a hsg dye thing and spotted for a week after then a week after that came on my period well since jan 13th was the 1st day of my last period and nothing since iv done test all negative 👎 has any one had a good start on met then nothing for 4 months I came on now nothing no signs of af so confused