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Your judgments aside, we have and are vaccinating our child.

While it's correct that bipedal locomotion and big heads make childbirth more challenging for humans, it still is not a medical emergency. You'd be surprised, if you did some reading beyond what medical school curricula teach, how many of the medical practices that are taken for granted in managed birth have never been rigorously tested with double blind studies, or have had long term empirical studies about effects much later in life. The routine administration of antibiotics is just one of them. An excellent reference on the matter is this book by an M.D. in Australia, and all the referenced cited therein, many by peer-reviewed journals:

http://www.amazon.com/Gentle-Birth-Mothering-Childbirth-Pare...

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