I've been doing a lot of research on this as my wife is now just over 11 weeks pregnant and I'm the one in the house responsible for feeding her (and Hubner, as we've named the Alien
). The most important thing about eating while pregnant is getting the wide variety of micro and macro nutrients possible in the most reasonable amount of food. She's been having bad morning sickness even now so for her it's a matter of what food she can keep down. Fortunately, she's lost her taste for coffee and anything really sweet. She was not doing LC necessarily before conceiving, but our house was definitely lower-carb than most since I do all of the cooking. (she'd have a hunk of bread with dinner while I would not, but we'd both have meat and lots of veggies) This may well have helped with her lack of sweet cravings since getting pregnant, or it may not.
The important thing is to eat as nutriently-dense foods as possible. Folic acid is the most important nutrient, but everything is important. Lots of veggies, good fruits, nuts, good fat, protein, even good dairy for the calcium if you don't get enough in your veggies. Quality of food is important as well as types and quantities. One thing to remember is that fat is very important for the developing baby. Sometimes with morning sickness fat is difficult to take. I "hide" the fat when I can by putting butter on veggies, buying whole fat cottege cheese and cooking in my home-made lard. I also make meatloaf with fattier cuts of meat and extra eggs. My wife seems to be able to eat meatloaf really well even when she can't eat anything else.
Remember, your body is not your own while you're pregnant. It may be ok to experiment and do out-of-the-ordinary types of diets while you're all by yourself in your body, but once you have another one along for the ride, it's best to focus on quality food with as many nutrients as possible. Everyone is different in terms of what food is appealing and what is not, but when looking for that food that will stay down, look within the spectrum of nutrient-dense foods that really are the core of what Dr. Atkins and others talk about.
From what everything I've read seems to say, now is not the time to count carbs, but more the time to count nutrients, including fat, and ensure you get enough.
Good luck to all, and I wish you a happy and healthy pregnancy!
Plane Crazy