what important milestone happens with the fetus during the second trimester

what important milestone happens with the fetus during the second trimester. There are some references to what important milestone happens with the fetus during the second trimester in this article. If you are looking for what important milestone happens with the fetus during the second trimester you've came to the right place. We have posts about what important milestone happens with the fetus during the second trimester. You can check it out below.