Post-pregnancy check up at KKH

Just went for a pp check up at KKH and was told to go for a mammogram at the polyclinic at my own time. Apparently it’s routine and recommended after pregnancy. Did anyone else go for it too? Just wondering if there are any implications to do a mammogram if I’m breastfeeding and if there is a recommended time to go ie after how many months. (I intend to breastfeed for a year).