hi ling,
i went for my oscar test yesterday, initally the baby was very good, after awhile, went to sleep, and the position is not ideal for my gynea to take measurement, so my gynea take my blood test first, then scan again, baby position still no good ...haha, gynea ask me go for a walk & go back 20mins later ... after that, baby was sitting up, but gynea managed to get the measurement after i tilt my body, Ling, maybe you can try adjust your body this sat [IMG=http://www.singaporemotherhood.com/forumboard/clipart/happy.gif]
Good Luck !