One frat party. One regrettable shot of something blue. One very positive test. Now Emma Brennan is 39 weeks along (overdue for twins), ten days from graduating, and refusing to defer her Organic Chemistry final, even as her belly knocks the desk three out of place. Every contraction might be Braxton Hicks. Or it might be the real thing. You're stuck at the next table, and she's already asked to borrow your highlighter.