call Friday was told case complete ,call today supervisor have to review case ,is this normal

do do you delete a topic or forum that you started

I was not legally married but I was in another country in 2011 got pregnant and gave birth there and had the father sign the birth certificate . I married in 2012 and did all the immigration filings . We have an interview with the uscis , my question is will they question me about my past relationship and have the embassy papers I submitted for my son's birth and have it at the interview or anything ?

call nvc this morning at 7:20am was told that case is completed but no interview date yet ,was hoping to get an email saying its completed none yet is this normal?how long for interview date

nvc receive ds-230 on 04/01/13 when can I expect case complete and interview date