Weird period?!?!

Sarah • I have a beautiful 10 month old baby girl in heaven watching over her family and an amazing 3 month little boy ♥♥♥♥
I had a period that started LAAAATE Sunday night (was only spotting of brown blood), lasted all Monday and then just spotting on Tuesday. Now my boobs feel a little sore and I'm exhausted with migraines. What's going on?