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CalcWolf Pregnancy ओवुलेशन कैलकुलेटर
Pregnancy

Calculate Your Ovulation & Fertile Window

Predict your most fertile days based on cycle length. Plan conception or track your cycle.

📅 Updated April 2026 Formula verified 📖 4 min read 🆓 Free · No sign-up

Calculation

Ovulation: period से 14 दिन पहले। 28-day cycle: day 14। Fertile window: ovulation से 5 दिन पहले से 1 दिन बाद। OPK (ovulation prediction kit): ₹200-500 for 5 strips।

Help

Apps: Flo, Clue (Hindi support)। Govt hospitals: fertility counseling free। IVF India: ₹1-2.5 lakh per cycle (vs US $15,000-20,000)।

⚡ CalcWolf Insight

A study in the New England Journal of Medicine found that the probability of conception from a single act of intercourse peaks at 33% on the day before ovulation and drops to near zero by 2 days after ovulation. Timing matters more than frequency.

Frequently asked questions
सबसे fertile कब?
Ovulation से 1-2 दिन पहले। 28-day cycle: day 12-14।
IVF cost India?
₹1-2.5 lakh per cycle। US: $15,000-20,000। India: affordable fertility tourism destination।
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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Found a bug or outdated data? Reports go directly to Kevin and are reviewed personally.