When she went out to Syria, she thought she was signing up to a winning invincible cause. She never ever thought through to any endgame.
I think when things began to go wrong, she just expected that someone would rescue her, I mean she was a British citizen and Britain was an open society, where you could choose your religious and political beliefs and discuss them openly.
She is one of a cossetted generation, who have been 'understood' and protected from every little problem through childhood and she just expects someone to turn up and sort out their problems no matter what the situation, while they get back to the life she had before. The idea that an apology or retraction of the beliefs that got her into this mess would be a good idea, would never occur to her.
All of a sudden she has had to grow up and realise, that when you get yourself into a mess, you have to get yourself out of it.
As for being drugged, under coercion etc etc, I doubt it. She is just one more refugee mother in a large refugee camp, many of the other women will have lost children as she has, or just have given birth. she is of little propaganda value and no monetary value either. Remember, ISIS is an organisation based on total male authority, women are valueless and totally expendable.
I am in agreement with every word of chewbacca's last post. The only thing she didn't say is that the silly girl is still shovelling shit into the hole and does not realise.