Recurrent pregnancy loss is a condition characterized by two or more consecutive miscarriages occurring prior to the 20th week of pregnancy. This condition includes women who experience repeated pregnancy losses and exhibit key symptoms, such as the inability to carry a pregnancy to term despite previous conceptions.

Recurrent implantation failure is a condition where a woman is unable to achieve pregnancy after several attempts of embryo transfer during in vitro fertilization (IVF). It primarily affects women undergoing fertility treatments and presents as repeated unsuccessful implantation of embryos without obvious medical explanation.

Neonatal alloimmune thrombocytopenia is a condition where a mother’s immune system attacks her baby’s platelets, leading to low platelet counts and bruising or bleeding in the newborn. This condition affects newborns and can occur during a mother’s first pregnancy or subsequent pregnancies, regardless of the baby’s gender.

Pemphigus vulgaris is a rare autoimmune disorder causing painful blisters and sores on the skin and mucous membranes, such as the mouth. It primarily affects middle-aged and older adults, without a specific gender predominance.

Myositis is an inflammatory muscle disease that causes muscle weakness, pain, and fatigue, often affecting the shoulders, hips, and thighs. It can occur in individuals of any age, but is primarily seen in adult women.

lnflammatory muscle disorders are conditions characterized by inflammation and weakness in the muscles, leading to symptoms such as muscle pain, fatigue, and difficulty with movements. These disorders can affect people of all ages, but are more commonly diagnosed in adults, with certain conditions more frequently seen in women.

lgG4-related disease is an autoimmune condition characterized by inflammation and tissue damage in various organs, often presenting with symptoms including swelling or mass lesions. The disease can affect the pancreas, liver, salivary glands, and other areas. It typically affects middle-aged to older adults and is more common in men than women.

Hereditary transthyretin-mediated amyloidosis polyneuropathy (hATTR-PN) is a genetic condition where abnormal protein deposits damage nerves, leading to sensory and motor neuropathy. It primarily affects adults and presents with symptoms such as numbness, tingling, muscle weakness, and autonomic dysfunction such as within the digestive or cardiac systems.

Guillain-Barre syndrome (GBS) is a rare neurological disorder where the body’s immune system mistakenly attacks the peripheral nerves, leading to muscle weakness and in some instances, paralysis. It can affect individuals of any age, typically presenting with symptoms such as tingling in the feet and hands, followed by weakness and loss of reflexes.

Dermatomyositis is an inflammatory disease marked by muscle weakness and a distinctive skin rash. It can affect both adults and children, often presenting with muscle pain, fatigue, and a purple-red skin rash on areas such as the face, neck, and hands.