Missed time for 2 cycles - not pregnant. What could it be?

I had a newborn in 2006. After 6 months my extent returned and I went backbone on the pill. Two weeks after starting the pill, I had a 7 light of day period (in the middle of the packet of pills). Two weeks subsequent when I was supposed to enjoy a period, I have another 7 day time of year. This repeated the following month. Then I went through TWO packet without a interval. I've taken multiple pregnancy tess - all unenthusiastic. I have an appointmet beside my dr next week. But within the meantime - any ideas?
Answers:

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Polycystic ovaries? You'll usually show other signs though, like excessive hackle, weight gain, greasy skin.
I meditate your hormones do mess up for a while after having a tot, but it sounds like this is something your doctor should trial for as it could be something else, or nothing at adjectives.

Tampon question?

Too much stress? Too much exercise? own your doctor do a blood pregnancy test...still could be a possibility!

Good Luck
Momma P

Is it average to?

It could just be that your hormones are bad. Either from having the newborn, or the birth control, or stress.