Pregnancy Chances Calculator — Accurate Conception Probability & Fertility Estimates

Pregnancy Chances Calculator

Calculate your pregnancy probability, ovulation window, and conception chances. Get personalized fertility insights based on your cycle and health factors.

Step 1: Personal Information

About Your Cycle

Regular cycles between 21-35 days are typically fertile. Ovulation usually occurs 12-16 days before your next period starts.

Step 2: Health & Lifestyle

Fertility Factors

Age is the most significant factor in female fertility. Lifestyle, health conditions, and cycle regularity also impact conception chances.

Pregnancy Probability Results

Summary
Ovulation Window
Monthly Breakdown

Monthly Conception Probability

72%
Peak fertility days: 12-16
Ovulation Day
Day 14
Fertile Window
6 days
Next Period
April 28
Fertility Status
High

Ovulation & Fertility Window

Period Start
Apr 1
Low fertility
Fertile Begins
Apr 9
Rising chance
Ovulation Day
Apr 14
Peak fertility
Fertile Ends
Apr 16
Final high chance

Ovulation Tracking Tips

For best results, track ovulation using ovulation predictor kits (OPKs) or basal body temperature (BBT) charting. Have intercourse every other day during your fertile window.

Monthly Probability Breakdown

Conception Probability Formula

Monthly Chance = (Age Factor × Cycle Regularity × Timing Accuracy) × Health Multiplier

Age is the primary factor in fertility. Women under 35 have approximately 20-25% chance per cycle with perfect timing. This decreases with age and irregular cycles.

Need Fertility Consultation?

Connect with our fertility experts for personalized guidance, ovulation tracking assistance, and reproductive health consultations.

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