What does lady Macbeth say she would do if had sworn to kill the king in scene 7 of Macbeth?

In scene 7 of Macbeth, Lady Macbeth says she would have killed King Duncan herself if she had sworn to do so. She expresses this in a soliloquy where she reflects on her own femininity and the limits it imposes on her actions. She says: "Had he not resembled / My father as he slept, I had done't." Lady Macbeth's words reveal her inner conflict between her desire for power and her moral constraints.