You searched for: “fetoscopist
fetoscopist (s) (noun), fetoscopists (pl)
A medical specialist who uses an optical device to view the fetus: Dr. Dawson, the fetoscopist, was an expert in producing excellent fetoscopies, and wanted to view Mrs. Black's unborn baby, and so he used a special device which was flexible and made of fiberoptic materials, termed a "fetoscope".