Indeed, but for 9 months of pregnancy she still wouldn't have feared being outed by her Facebook contacts.

Facebook 'delete' is in itself an oxymoron. I believe that they logically delete everything, and then everything gets analysed and archived for posterity.

As I was in the process of deleting my Facebook account last year I noted several bugs that suggested that the counts of checkins and photos did not tally with the things I had deleted. I.e. Everything.

I have some screenshots somewhere on imgur I should dig out.