<prompt> If 10 women use IUCD for 10 years and assuming the failure rate of IUCD at 2HWY, the number of expected accidental pregnancies would be-12520  <response>: - Given PI2 ; Time 10 x 12 120 months ; No. of women 10 - Number of expected accidental pregnancies Pearl Index X Time X No. of women 1200 2 x 120 x 10 1200 2 