"Oh." As slow and stupid as she was feeling at this point, she was still smart enough to realise that two meant positive. So it hadn't been her imagination then.
Tonks shook her head and slowly pulled her jumper back down over her belly. "Don't congratulate me, please," she said quietly. "Not yet."
Burying her face in her hands, she took a deep breath and tried to find the right words to say. "I don't know what to do."