His anxiety was palpable and made Kara anxious too. On one hand, she was glad that they realized this possibility before it became an actual issue. She couldn't imagine finding out she was pregnant and then realizing that Bucky might not be the father. That would be beyond devastating for both of them and their marriage.
She finished the first glass of water and poured herself another. "Okay, well, let's not jump to the worst case scenario," she said, though it was clear from her tone that she wasn't far from it. "Let's see what the tests say and then we'll go from there."
Part of her wanted to call her sister right now and beg her to come over, but this was something she and Bucky needed to sort out together first. Kara knew that whatever happened, Alex would be there to support her.