Health

Ovulation Calculator

Pinpoint your likely ovulation day and six-day fertile window from your last period and cycle length, with the dates mapped out for your next four cycles.

get/api/calc/ovulation-calculator

Request

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

Query parameters

datestring date

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

cyclenumber

Average cycle length (days)

lutealnumber

Luteal phase length (days) Days from ovulation to your next period – 14 for most people.

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.