| | Well before I get into the article I would have to say this, they didn't know this already and it has been a medical mystery since the dawn of man kind? Although we know that 6-9 months during the pregnancy that a woman's spine works over time just because of the weight of the child they carry, thus the back pains and what not. Now after reading this article it would give a better explanation as to why the back pains are really bad sometimes for women when they are pregnant, because of the rapid change in body posture. I say that loosely because that change happens gradually over the 9 month period but between 6-9 months it would change rather quicker I would suspect. Like I said you would think the medical world knew why, but I guess thats the mystery of the human body. SOURCE |

