Complex sentence: As the field of medicine did not enjoy very high status in the society, the importance of medical faculty remained low for a long time and until 1750 the professor of medicine was the only trained medical doctor in Finland.
Split into simpler sentences: As the field of medicine did not enjoy very high status in society at the time, the importance of trained medical faculty remained low for a long time. Until 1750, the professor of medicine was the only trained medical doctor in Finland.