<i>Having children satisfies a fundamental, even instinctive, drive, especially <b>in</b> women.</i><br/><br/>What does 'in' in bold imply here? Is it #8 here:<br/><br/><a href='http://education.yahoo.com/reference/dictionary/entry/in' target='_blank' rel='nofollow'>http://education.yahoo.com/reference/dictionary/entry/in</a><br/><br/>,meaning 'with reference to'? Or does it imply something about women's within?