I noticed that some ladies suggested that a friend there would be just as good. Here's the differences between a friend and a doula:
1)A friend is free, doula is about the same cost as a good class or free if you get someone working on getting their certification.
2)A friend may know a little of birthing, especially if they have had a baby themselves, but is there for emotional support more then anything. Doula will be specially trained on natural pain relief, and how to help you focus during labor.
3)A friend will be emotional support (possibly informational) during pregnancy, before labor. Doula can give you more information during pregnancy especially on how to get your baby in position prior to labor, then the typical friend (and midwife even more so.)
4) The most important in my opinion and why I got a doula: A friend will be there supporting YOU during labor. A doula is there for BOTH you and your husband. A good doula will explain things to your husband and help keep him engaged and calm. Most husbands do not know how to help you and this scares them. The doula will empower him with knowledge and gentle coaxing.
5) A friend asks "what do you need?" A doula automatically knows what may help and offers it when you can only answer yes or no questions.
6) A friend will support you when the DR makes some suggestions such as pitocin, epidural, or cesarean (which are usually suggest in the midst of a contraction, go figure.) A doula will help you understand (while calm) what the situation is, what your options are, and the risks of each option. She will support your decision but will help you to truly make your own INFORMED choices so you won't feel railroaded into anything.
7) A friend will assist if you ask to get in a position but the doula will know the different possible positions to offer to you and help you and your husband achieve these for optimal comfort and baby positioning.
BTW- some midwives are open t being hired as a doula.
As you can see, I strongly promote doulas. In my case, something went terribly wrong and I was literally dying and in more pain then you can imagine, but my doula helped me to be focused and calm. She was also there while I was in surgery and helped my family members through it.
Have a great birth,
S.