Prenatal
The medical term for pertaining to sound is "auditory."
Fetal is the medical term meaning pertaining to a fetus.
Axillary is the medical term meaning pertaining to the liver.
The medical term pertaining to the pancreas is "pancreatic" or "pancreatitis", which refers to inflammation of the pancreas.
Postnatal
The medical term for 'pertaining to carbon' would be carbonic.
The medical term mean pertaining to the vein is venous.
Prenatal, antenatal, or antepartum mean before birth.antenatal as in an antenatal check up by doctor.
Periodontal is the medical term meaning pertaining to around the tooth.
The medical term meaning pertaining to fibers is "fibrous" or "fibrillar."
Interdental is the medical term meaning pertaining to between the teeth.