I had a child a year ago and I was breastfeeding for 9 months, during which my cycle stopped. The month after having my baby I opted to have an IUD inserted (Mirena) and I was informed that my period may or may not return and may be shorter and lighter than before having the baby.

After I ceased the breastfeeding my period did return, heavy cramps as before, but it was a dark brown discharge, odorless and very light - I dismissed it as my body 'adjusting' back to normal, but last month and this current period have been the same dark discharge - mucusy, odorless and spotting.

Should I be concerned? I've read varying accounts of brown discharge prior to or after periods, but I'm having nothing prior to or after the discharge.