Before now, Adsense gotten through YouTube and other Google partner programs is easy to integrate and displays on blogspot blog immediately after Adsense codes integration, but now, you will notice that Adsense ads gotten recently through those medium no longer display on blogspot just like that.
Though Google has not really at any point gave a specific reason on why new YouTube adsense will no longer display on blogspot without further verification process.
But we can easily adduce that to part of Google strict and continuously changing policies on the use of their Adsense program in the monetization of blogs and websites.
Old users of YouTube Adsense on blogspot are by no means affected with this latest development.
Must Read: Find out if Google Adsense is overrated
But for the new users, for you to now use Google third party Adsense on your blogspot, it is either you will apply for the Adsense through your Blogger earnings section or directly through Google Adsense platform or you submit that your YouTube Adsense with the blogspot url you intend using it on for verification and approval.
Once approved by Google, you can then go ahead to integrate the Adsense codes on your blogspot blog and be rest assured that live ads will thereafter start displaying.
Now for newcomers that are planning to get YouTube adsense and believing that they will integrate the codes on their blogspot and immediately start seeing live ads, should be in for shocker as YouTube Adsense no longer display on blogspot just like that.
If you are one of the newcomers as described above, you should immediately start seeking for plan B of making your YouTube Adsense display on your blogspot blog.
And the plan B here as already suggested above is in addition to applying directly for Adsense with your blogspot URL, you should endeavour that your blogspot blog is well built and complies with Adsense Policies.
Only with that you now stand a greater chance of getting easy approval by the Google Adsense Team.