Old lady placenta

Amanda • Second time around! Can't wait to start start this journey again.
... My words not there's. So I just left my ultrasound to check the babes growth and was told my placenta looks like it should at 39 weeks not 35 weeks with calcium deposits on it. Everything looks fine now and baby has plenty of fluid and is growing good. We check it again I'm 2 weeks to make sure it's still doing its job but anyone had this and have any insight? Thanks!