Midwifery
Part of speech: noun
Definition: the practice and science of being a midwife.
OB
Part of speech: noun
Definition: A halfpenny.An objection.The obese gene.
Difference between Midwifery and OB
What is the difference between Midwifery and OB?
Midwifery as a noun is the practice and science of being a midwife. while OB as a noun is a halfpenny.
We hope you now know whether to use Midwifery or OB in your sentence.