We report the occurrence of NMO in a primigravida
at 20 weeks, in which gestation had an adverse eVect on the
disease course, and emphasize the main parameters to distinguish
NMO from MS.
Conclusion It is essential that a proper diagnosis is established
before pregnancy is planned, since the prognosis for
NMO and MS might differ. Although the association of
gestation and NMO is extremely rare, the few available
data demonstrate a significant risk of disease exacerbation.
NMO patients require long term immunossupression and
need to carefully evaluate the risk of getting pregnant