So I'm almost 7 months post partum. Started getting periods at about 3 months OP and haven't used any birth control. We…

So I'm almost 7 months post partum. Started getting periods at about 3 months OP and haven't used any birth control. We just decided were going to jump back on the baby train. I had my last period 4 weeks ago and 3 days ago bgg I started spotting brown and today it's more then spotting and still brown almost black. Any ideas???