However, now the lady shows herself crazed.
That's reading her charitably.

Else she has to be taken for a spiteful shrew, who pretends to suspect anything that's villanous, because she can hit on no other way of striking.' 'Crazed, is a wide shot and hits half the world,' muttered Gower.

'Lady Fleetwood had a troubled period after her marriage.

She suffered a sort of kidnapping when she was bearing her child.

There's a book by an Edinburgh doctor might be serviceable to you.