TTC baby number 2 but 2 days after period I start spotting what could it be

Danica • I am a mother to a gorgeous busy 20 month old daughter named Chloe :) hubby an I have decided we want another little addition so we praying for a blessing from the Lord and with the help of Glow
Ladies I need some help please :) I stopped my pill on the 10/09/2014, I had break through bleeding on the 14/09/2014 I then got my period on the 14/10/2014 so according to Glow I'm due to ovulate SOON well on Monday hubby and I had sex and afterwards there was some spotting of blood, then we had sex again on Tuesday this time there was like brownish spotting afterwards so today I wanted to.check my cervical mucus so I checked and it's a brownish mucus so I am so confused as to what is going on now spotting blood + brownish discharge