Table 2

Relapses of multiple sclerosis during pregnancy among 29 Lebanese women

PeriodNumber of women*Number of relapsesRate of relapse/woman/year†p Value‡
Year before pregnancy2950.17 (0.03 to 0.32)
 First trimester29000.02
 Second trimester29000.02
 Third trimester29000.02
 First year29000.02
 Second year2960.21 (−0.12 to 0.04)0.32
 Third year2950.17 (0.03 to 0.32)
 Fourth year2950.17 (0.03 to 0.32)
  • *All women stopped interferon β 1-a treatment 3 months before conception.

  • †Values are means (95% CI).

  • ‡p Values are for the comparison with the relapse rate during the year before pregnancy.