Z.A.
The first thing I wonder....are you too thin?
2 of the most frequent causes for irregular periods are 1)stress & 2) poor diet &/or low body fat.
I had irregular periods my whole life and figured that was just the way I was. I wasn't thin by any means (I was an athlete), but my body fat hovered between 5-8%. (Ahhhh...to have that problem now...as I look at my waistband.) As soon as my BFI got over 11% (we won't say what it's at now, thankyouverymuch! :) my periods only get out of wack by a week or two around Final Exams & Midterms.
My very good friend who struggles with anorexia, knows she's been slipping without realizing it as soon as she starts skipping periods. Dieting, even healthily but especially radically, can also bring on changes to our cycles.
Our bodies are great things. Oddly enough they want us to be healthy. Stress brings on a huge chemical changeup to our entire system.(One of my professors likened it to "You don't want to be wasting energy digesting when you need that energy to outrun a bear! Or to leap a fence you ordinarily wouldn't even be able to climb, to get away from a Doberman!!) Unfortunately our nervous systems can't tell the difference between midterms, bills, and bears. So when we're under stress, pretty much the last thing our bodies want to be doing is to be spending untold amounts of energy growing a baby.
So, all in all. Relax. You already see your Doc. I'd recommend seeing a nutritionist just to "check in" and see how your diet is, and see if he/she thinks your diet/weight might have anything to do with your irregular periods. (Your doctor can probably recommend/refer several, and most take insurance.) It sounds like you and your husband are fertile...so enjoy yourself. Would you rather not have any more children then have one after 34? Probably not. So take care of yourself, enjoy your family...and before you know it...your family will be larger. It also helps that "time flies when you're having fun". Yikes. If I have to end on a cliche I prefer a yummier one like oysters and chocolate covered strawberries! (Thanks Melissa B! mmmmyum)
~Z.