1 IgG antibodies are the only type of antibody that can cross the placenta in a pregnant woman to help protect her baby (fetus). 2  IgM. 3  IgM antibodies are the largest antibody. 4  They are found in blood and lymph fluid and are the first type of antibody made in response to an infection.
Lymphedema refers to swelling that generally occurs in one of your arms or legs. Sometimes both arms or both legs swell. Lymphedema is most commonly caused by the removal of or damage to your lymph nodes as a part of cancer treatment. It results from a blockage in your lymphatic system, which is part of your immune system. The blockage prevents lymph fluid from draining well, and the fluid buildup leads to swelling.
The most common cause of lymphedema in developing countries is infection due to the parasite Wuchereria bancrofti (filariasis), which can cause âelephantitis.â Treatment includes diethylcarbamazine, nonsteroidal antiinflammatory drugs (NSAIDs), and antihistamines.