i felt exactley the same when i was pregnant with first baby even tho i have loads of experiance with children i had loads of neases and nephews who i looked after regulary,i am a qualifide nursery nurse so it was my job to look after babys and children, but i was so worried i would be a rubbish mum lol,
when my daughter was born, my mother instict kicked in, if i did worry about anythinb i spoke to the midwife on the ward.
you will be fine hun it will come naturaly to you im sure.
you will ne a grate mum xxx