However, I have also read that male pregnancy is theoretically possible. I'm too tired to look up a reputable reference, so go read the wikipedia article (lol). Basically if you pump a guy up with the right hormones and implant a fertilzed egg in his abdomen, he can have an ectopic pregnancy. Delivery would then be by C-section.
I don't see why you would want to do that, but it's fascinating to speculate that it's possible.
sabaki is correct. Let HDS attempt to explain the example that brought about thought on this possibility. Some years back, there was a woman who underwent a procedure to have her fallopian tubes snipped to prevent any future pregnancies. All normal so far. However, either immediately before or after the procedure, she and her husband had sex and a sperm did make its way to the egg. However, while eggs normally travel down the fallopian tubes towards the uterus, the snipping meant that it also had a path up into her abdomen, and that's where it went. Once in the abdominal cavity, the fertilized egg implanted itself on a surface remarkably similar to the uterine lining, the mother's intestines (Both are festooned with blood vessels, something the placenta will require). There it grew, eventually being surgically delivered. Since this pregnancy required no female "parts" once outside the fallopian tube, there isn't any reason yet proposed why a man couldn't do the same thing, albeit with implantation of the egg.