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Year when sterilized (Nepali calendar)

Codes and Frequencies

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For women who have been sterilized or whose partners have been sterilized, FPSTERILYR_NP reports the calendar year of their sterilization, according to Vikram Samvat, the official calendar in Nepal.

The calendar month of their sterilization, according to Vikram Samvat, is reported in FPSTERILMO_NP.


FPSTERILYR_NP has no comparability problems.

All standard date variables in Nepal DHS samples are given in the Nepali calendar. The Nepali calendar, or Vikram Samvat, is a lunar calendar consisting of 12 months of 29 to 32 days each. According to the Gregorian calendar, the Nepali calendar begins in mid-April. Because the 12 months do not match the sidereal year, correctional months are occasionally added or subtracted. It is only possible to convert dates given in Vikram Samvat to the Gregorian calendar when the exact date (day, month and year) is available. Otherwise, it is only possible to approximate to the month. Vikram Samvat is approximately 56 years, 8 months, and 15 days ahead of the Gregorian calendar.

Comparability - Standard DHS
FPSTERILYR_NP (V316_NP) is included in Phases I through III of the standard DHS questionnaire for the Nepal samples.


  • Nepal 1996: Ever-married women age 15-49 who have ever been sterilized, or whose partner has been sterilized.
  • Nepal: 1996-C, 1996-B, 1996-W