I wrapped Charlotte for the first 2 days and then she started breaking out! lol She hates having her arms restricted, so we would wrap her legs and arms loosely and then by the time she was a couple of weeks I gave up altogether and put her in a "sack" lol just a cheapie from target with arms and a sleeping bag bottom - I really dont see the point in spending $50+ on a "grobag" the one we had worked just fine. And she could still kick her legs which she loves and I didnt have to worry about her being cold.
You'll find out when she's born pretty quick what she likes and doesnt like - they let you know about it! lol Good luck