Kinda hard to keep track with this fluid story-line but it appears this "terrified" couple had 5 children in 5 years while held in captivity.  Just speculation on my part but I'd bet 100 out of 100 people who were "truly" held against their will by a terrorist group in the remote wilds of Afghanistan would have procreation as the last thing on their minds...let alone non-stop pregnancy.  Come on.