Other Conditions & Exposures

Expert reports about Other Conditions & Exposures


INFORMATION FOR WOMEN WHO HAVE CYSTINURIA DURING PREGNANCY OR BREASTFEEDING

                                                                                                                                                

What is cystinuria during pregnancy?

Cystinuria a genetic disorder in which there is excessive excretion through the kidneys of cysteine, which is an amino acid, a building block of proteins. In some forms of cystinuria, there also is excessive excretion of other amino acids in addition to cysteine. The cysteine accumulates in the urinary system and crystalizes into cystine stones (calculi) in the kidneys, ureters, and bladder (cystine is the result of two cysteine molecules linking together and becoming oxidized). Since it is a disorder resulting from mutations in two genes, if you are born with cystinuria, then you still have it when you are pregnant, so it can coexist with pregnancy.


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