How do I calculate ovulation for a 35-day cycle?

Subtract 14 from your cycle length. For a 35-day cycle, ovulation usually happens around Day 21.

Can stress delay ovulation?

Yes, high stress can affect the hypothalamus, the brain's control center for reproductive hormones, leading to delayed or even skipped ovulation.

Ovulation Calculator

Calculate your estimated ovulation day and fertile window using the Ogino-Knaus method.

Quick Summary: Ovulation Calculator

Ovulation typically occurs 14 days before your next period starts. Your 'Fertile Window' includes the 5 days before ovulation and the day of ovulation, as sperm can live inside for several days.

Related Calculators

BMI & Body Fat Calculator

TDEE & Macro Planner

Age & Date Calculator

Pregnancy & Due Date Calculator