I AM WORKING WITH A FRIEND WHO HAS A BABY 1 WEEK OLD TODAY. HE WAS 7# 11OZ AT BIRTH, TODAY HE IS 7#1.8OZ. SHE HAS VERY FLAT SMALL NIPPLES AND IS USING A BREAST SHIELD, WHICH I TOOK AWAY. SHE HAS TRIED TO GET HIM TO LATCH ON WITHOUT THE SHIELD BUT IS UNSUCCESSFUL. WHAT CAN I DO. I'M WORRIED AND UNABLE TO WORK THIS OUT. PLEASE HELP! TD