Ovulation Calculator
Calculate your most fertile days and ovulation date based on your menstrual cycle. Track your fertility window for conception planning.
Calculate Your Ovulation
Your Ovulation Results
Enter your last period date to calculate ovulation
Understanding Ovulation and Fertility
Ovulation is the process by which a mature egg is released from the ovary. Understanding your ovulation cycle is crucial for conception planning and reproductive health awareness.
Menstrual Cycle Phases
Menstrual Phase
Period and uterine lining shedding
Follicular Phase
Egg development and uterine lining preparation
Ovulation
Egg release from ovary
Luteal Phase
Corpus luteum formation and preparation for pregnancy
Ovulation Prediction Methods
Cycle Tracking
Track menstrual cycles to predict ovulation timing.
- β’ Most accurate for regular cycles
- β’ Free and easy to do
- β’ Requires 3-6 months of data
Basal Body Temperature
Track temperature changes to detect ovulation.
- β’ 99% accurate for LH detection
- β’ Requires special thermometer
- β’ Affected by illness and stress
Ovulation Kits
Test hormone levels to predict ovulation.
- β’ 99% accurate for LH detection
- β’ Predicts 24-48 hours ahead
- β’ More expensive than other methods
Fertility Facts
Fertile Window
Days 10-18 of your cycle are typically the most fertile. Sperm can survive up to 5 days in the female body.
Egg Viability
The egg is viable for fertilization for only 12-24 hours after release from the ovary.
Cycle Regularity
Regular cycles (21-35 days) are considered normal. Irregular cycles may require medical attention.
Implantation
If fertilized, the egg implants in the uterus 6-12 days after ovulation.
Important Disclaimer: This ovulation calculator is for informational purposes only and should not be used as a form of birth control. Ovulation timing can vary due to stress, illness, medications, and other factors. For accurate contraception or fertility planning, consult with a healthcare provider. If you have irregular cycles or difficulty conceiving, seek medical advice.
