It's a known fact, pregnancy is beautiful.
Unfortunately, it's also a known fact that sometimes, pregnant women feel quite the opposite.
Partners, be sensitive to this, and help out. She's probably gained at least 15 pounds by now, maybe more, and while she may (or may not) be stoic about it, she's probably feeling somewhat less than gorgeous, especially when you add the farting, burping and swelling to that extra weight.
So, whether you're totally stoked on her new form or not, be stoked about it. She could probably use a compliment or two, just some general reassurance that she's still, in fact, very beautiful. Encourage her to get all dolled up for a night out (or in). You may be surprised how much it's appreciated.
And, a few other things you may want to think about this week, if you've got the time …