Rheumatoid arthritis after childbirth can occur in women who have had a history of rheumatoid arthritis before pregnancy and even in previously healthy pregnant women. Many patients with rheumatoid arthritis wonder about the impact of the disease on pregnancy. However, most symptoms of rheumatoid arthritis in pregnant women are milder, or even disappear, and only recur within three months after pregnancy. Notably, rheumatoid arthritis does not decrease a woman's chances of getting pregnant.

Glomerulonephritis causes high blood pressure, affects the ability to cleanse blood, filter waste from the body, and causes the patient to experience generalized edema. Therefore, many people are puzzled about why glomerulonephritis causes high blood pressure and edema.