abdominal pregnancy
... that about one out of five babies born from an abdominal pregnancy has a birth defect?
... that about one out of five babies born from an <b id="mwE6k"><a href="./Abdominal_pregnancy" id="mwE6o" rel="mw:WikiLink" title="Abdominal pregnancy">abdominal pregnancy</a></b> has a <a href="./Birth_defect" id="mwE6s" rel="mw:WikiLink" title="Birth defect">birth defect</a>?