Did Miriel see what was coming?

[Gwaihir the Windlord]

Post-natal depression amongst Elves? I'd have thought they'd be free from it, fitting in with the whole 'greater bliss in Arda' thing; Elves did not suffer human ailments like that.

What Miriel experienced after giving birth to Feanor was clearly a sort of one-off, and due, as everyone seems to say, to the peculiar nature of Feanor's fea -- Miriel's spirit worn down and wearied by it -- rather than hormone imbalances...