Answer:
Eighteenth
Explanation:
The 18th century saw many advancement in health care. It was in the 18th century that John Hunter founded surgical pathology and surgery became a branch of science. Also, it was in the 18th century that Smellie helped in the establishment of obstetrics as a recognized discipline in medical science. One important and notable advancement in the 18th century is the advent of vaccination, that helped to eradicate so many diseases. Public hygiene and health also received great attention in the 18th century.
