Obstetrics nurse (7)
I believe the answer is:
midwife
'obstetrics nurse' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for midwife that I've seen before include "One helping with delivery" , "Maternity nurse" , "One assisting with birth" , "Nurse at birth" , "Childbirth assister" .)