The autoimmune disease lupus can sometimes affect the kidneys. Any situation that results in loss of kidney function can be serious during pregnancy. Be sure your physician knows about this situation if it applies to you before you get pregnant. You will need to make a plan to follow during your pregnancy.
In the past, women who had epilepsy may have been advised not to try to have a baby. Every woman with epilepsy has a special set of health circumstances. If you have epilepsy, your full medical history must be taken into account when this decision is made. Some seizure medications are safe to take during pregnancy, and I know women with epilepsy who have had successful pregnancies.
One such medication, phenobarbital, has long been given during pregnancy, and it was generally regarded as safe to use. However, its use is now being questioned. Discuss its use or the use of other medications with your physician, but do not discontinue or decrease the medication on your own!