i was the same i tried 525 but when i spoke to my pc mr singh had said 470 or 495, i asked him what his opinion was and that i wanted them big/natual but not silly!! he said 470, i am 7weeks po and was a 30d i am now a 30g and although i had a little boobie greed for a while now im out of sports bras i am happy and glad i didnt go any bigger! they would of looked ridiculous xx