Could Fluid In Lungs Be The Cause For Demise Of New Born?

salam honourable doctor hope u will be fine related to neonate health; i want to ask recently my neoborn son passes away after 2 days of delivery the lady doctor said he is healthy when i have asked if wshoud check him to child doctor bt he said he is healthy, when his condition become critical we rush him to child doctor ,bt after few minutes my son was passes away doctor said there was water in child lungsd;child nose wase pale i don,t know why lady doctor not early diagnose my child symptoms after bith he was weaping 1 hour he was born through cesarrean dilivery we r upset espessialy my wife it was her first dilivery lady doctor recommend my child lectoghen milk my b ts happen due tu ts higjh daficiency milk kindly suggest what precautions we should make in future to avoid all ts situations thenks