I did buy some special maternity ones with wings etc, but found that absolutely the best ones were the cheap homebrand big thick pads!

They made me feel a lot comfier, a lot more secure and they were simply softer. Plus because I usually use tampons for AF, I found the post birth bleeding yukky, and living in a hot climate I was consious of feeling "smelly" all the time, so changed the pad really often, so the cheaper ones were heaps better too!