is a rare inherited condition causing blocked sperm flow and infertility.

is a rare genetic disorder that can cause crossed eyes (strabismus).

is a rare inherited movement disorder causing involuntary muscle contractions and twisting.

is an inherited hormone disorder that can affect growth and metabolism.

is a group of inherited seizure disorders that often begin early.

is a rare inherited eye disease that can affect vision.

is a rare inherited condition that causes abnormal eyelid positioning.

is a rare genetic condition that can affect female fertility.

is a rare inherited digestive disorder that affects the stomach or intestines.

are uncommon inherited conditions affecting female reproductive health, fertility, pregnancy, or childbirth.

is a rare inherited condition that can cause severe headaches.

is a rare inherited blood disorder that affects blood cells.

is a rare inherited liver disease.

is a rare inherited condition causing involuntary movements and related neurologic symptoms.

is a rare inherited disorder affecting hormone control in the brain.

is a rare inherited immune disorder that weakens the body's defenses.

is a rare inherited eye condition causing corneal inflammation and vision problems.

is a rare genetic condition that affects learning, development, and daily life.

is a rare inherited eye condition affecting the macula, central vision.

is a rare genetic condition that can cause male infertility.

is a rare inherited disorder affecting the spinal cord or bone marrow.

is a rare genetic disorder causing abnormal movements and sometimes developmental problems.

is a rare inherited disorder causing sudden muscle jerks and movement problems.

is a rare genetic neurological disorder affecting the brain and nerves.