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146876 Gynaecology & Obstetrics

In Pearl index formula, Pregnancy rate per HWY:

ATotal accidental pregnancies x 1200 / Number of women observed x Total months of use of contraceptive
BTotal months of exposure to unintended pregnancy X 1200 / Accidental pregnancies
CTotal accidental pregnancies x 100 / Number of women Total months of exposure to unintended pregnancy
DTotal accidental pregnancies / Total months of exposure to unintended pregnancy
Gynaecology & Obstetrics
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