Multiple sclerosis relapses after pregnancy may be getting worse.
And the cause may be the use of more aggressive disease modifying therapies (DMTs).
The Kuwait study concludes that using aggressive therapies, even with long “washout periods” before conception, was associated with a higher frequency of relapses during pregnancy.
Postpartum relapse occurrences were similar to those previously reported.
The 1998 study showed a significant drop in relapses during pregnancies, especially during the third trimester.
“These  results inspired a lot of research,” Bruce Bebo, PhD, executive vice president of research at the National Multiple Sclerosis Society, told Healthline.
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