Hi,
I am currently a second year student midwife. I wear one of two shoes for my 12hr shifts. The Clark Unloops are VERY good sturdy shoes. They are comfortable smart looking shoes to wear to placement. They took me about a year to break in fully, but now they are amazing.
For theatre/Labour wards I wear the specialist work clogs from Crocs. They are closed crocs, without the holes, suitable for the clinical environment where you will be dealing with bodily fluids etc.
I know a lot of other students wear sketchers too.