| A | B |
| obstetrician | provides care for pregnant women, delivers babies, and gives post-natal attention to mothers. |
| pediatrician | takes over after the obstetrician. He specializes in the treatment of infants and very young children. |
| podiatrist | treats the minor ailments of your feet. |
| osteopath | works on theory that diseases arise chiefly from the displacement of bones, with resultant pressure on nerve centers and blood vessels. |
| ophthalmologist | is a medical doctor and often a trained surgeon who treats the troubles and diseases of the eyes. Popularly he is called an oculist. |
| optometrist | checks and corrects vision, usually by prescribing and fitting eye glasses. |
| optician | a technician who grinds lenses to an ophthalmologist's or optometrist's prescription or who makes and sells eyeglasses, binoculars, and other optical instruments. |
| gynecologist | specializes in the diseases that are peculiar to women. |
| dermatologist | specializes in diseases of the skin - rash, acne, allergies, lesions, psoriasis, eczema, etc. |
| psychiatrist | a medical specialist in mental ailments, emotional problems, psychoses, neuroses, etc. |
| orthodontist | specializes in straightening crooked teeth and in correcting bad "bites." |