Stopping depo shot

I had one round of depo and quit taking it due to a bad reaction and we want another baby. I had been taking the pill but the hormones give me migraines (same with my mother) so at the end of the 3 months I bled lightly for a week and then a week nothing and then 9 days of heavy bleeding. It's been 2 weeks since then and I've now got sore breasts and I'm really tired. Any one else experience this?