A medical condition or illness that has no known cure and it seem to be an ongoing, persists or would persist over a long period of time and requires regular maintenance and follow-ups.  This includes a medical condition that caused by changes to the body that cannot be reversed, medical conditions that are asymptomatic or quiet periods (remission).
Any or all of the following conditions which are made worse by, occur during, or are caused by pregnancy: acute nephritis, nephrosis, cardiac decompensation, hyperemesis gravid arum, ectopic pregnancy that is ended, pre-eclampsia, gestational diabetes, spontaneous end of pregnancy which a viable birth is possible and other medical problems of similar severity.