Health

Period Calculator

Predict your next six periods from the date your last one started and your cycle length, with ovulation days and fertile windows on the same calendar.

get/api/calc/period-calculator

Request

  • Base URL: https://calcbright.com
  • URL: https://calcbright.com/api/calc/period-calculator
  • Auth: none declared

Query parameters

datestring date

First day of your last period (YYYY-MM-DD)

cyclenumber

Average cycle length (days) From the first day of one period to the first day of the next – 28 on average.

lengthnumber

Period length (days)

Response

Calculation result

okboolean
toolstring
namestring
urlstring

Open this link to see the full calculation

inputsobject
summarystring

Plain-text answer

detailsstring
resultobject
errorsobject

Changes

No recorded changes to this operation across all 1 revision of this API.