Period Calculator
Predict Your Next Period, Ovulation & Fertile Days

Effortlessly track your menstrual cycle, estimate ovulation days, and improve your chances of conception naturally.

About the Period Calculator

The Gynoveda Period Calculator helps you accurately predict your next period, ovulation date, and fertile window—all based on simple details like your last period date and average cycle length.

Start date of your last period

Number of days it lasted

Your average cycle length

the calculator gives you a personalized menstrual prediction using standard fertility science. It's designed to support your health goals—whether you're planning pregnancy, tracking for personal health, or managing symptoms like PCOS.

100% free

Instant to use

Built by Gynoveda doctors to align with Ayurveda + modern fertility logic

It's a powerful first step to understanding your cycle better— and taking control of your reproductive wellness.

Benefits of This Period Calculator

Know your next period date – Plan events or travel around your cycle with confidence

Track ovulation and fertile days – Boost your chances of getting pregnant naturally

Understand your body’s rhythm – See how regular or irregular your cycle is

Reduce anxiety – No more guessing or Googling when your period might come

Take the first step toward Ayurvedic care – Perfect for those with PCOS, fertility issues, or delayed cycles

This is more than just a calculator—it’s a smart, guided companion to your cycle.

When to See a Doctor

Most women experience natural variations in their menstrual cycle. But some signs shouldn’t be ignored.

Periods that are unusually heavy, painful, or long

Irregular cycles (e.g., gap of more than 35–40 days between periods)

Delayed or missed periods without known cause

Sudden changes in your cycle pattern

Fertility struggles despite regular intercourse during fertile window

These could be symptoms of underlying issues like PCOS, endometriosis, hormonal imbalances, or thyroid conditions. Early diagnosis and natural treatment can make a big difference. Gynoveda’s expert Ayurvedic gynecologists are here to help you find and treat the root cause.

How Gynoveda Can Help You

At Gynoveda, we combine the power of Ayurveda with modern science to help every woman understand her body better.

Comprehensive Cycle Assessments

Based on your inputs, we help decode your symptoms and cycle pattern to suggest the next best step.

Root Cause Diagnosis with Ayurvedic Expertise

PCOS, hormonal imbalance, fertility struggles — we treat from the root using Ayurvedic medicines and personalized diet plans.

Doctor Consultations Without IVF Pressure

Speak to a certified Ayurvedic gynecologist from the comfort of your home. No judgment. No unnecessary procedures.

Ongoing Support to Regulate Your Cycle

Our treatment plans help reset your hormonal balance naturally—whether you’re trying to conceive or just want period regularity.

Talk to Gynoveda Today

No need to worry, your data is 100% safe with us!

Frequently Asked Questions (FAQs)

How does this period calculator work?

This tool uses the start date of your last period, how long your period lasted, and your average cycle length to calculate your next period, ovulation day, and fertile window. It follows standard fertility logic combined with Ayurvedic principles for natural cycle tracking.

How many days after my period can I get pregnant?

You’re most likely to get pregnant if you have intercourse during your fertile window—typically 5 days before ovulation plus the day of ovulation, which usually happens around 12–16 days before your next period starts.

What are the fertile days after a period ends?

Fertile days usually start about 9–10 days after your period begins, depending on your cycle length. This calculator will give you exact predicted fertile days to increase your chances of natural conception.

How accurate is this period and ovulation calculator?

If your cycles are regular, this calculator provides a highly accurate prediction. For irregular cycles or PCOS, it gives an estimate—but we recommend consulting a doctor for a personalized diagnosis.

What is the best time to get pregnant after a period?

The best time to try is during your fertile window, especially 2 days before ovulation and on ovulation day . This is when your egg is most likely to meet healthy sperm.

What if my periods are irregular?

This calculator works best with consistent cycles. If your periods are irregular or unpredictable, it could signal PCOS, thyroid issues, or hormonal imbalance. Gynoveda doctors can help diagnose the root cause and treat it naturally.

How do I know if my period is late?

If your cycle is usually regular and your period hasn’t arrived 5 or more days past your expected date, it may be considered late. Try using this calculator first, and if still delayed, take a pregnancy test or consult a doctor.

Can this calculator help me get pregnant naturally?

Yes. By showing you your fertile window and ovulation timing , this tool helps you plan intercourse on the most fertile days—maximizing your chances of conceiving naturally without IVF.

When should I see a doctor about my cycle?

If you notice missed periods, irregular cycles, pain, or fertility concerns, it’s best to consult a doctor. Gynoveda offers online Ayurvedic consultations for cycle regulation and fertility support.

Is this calculator safe and private to use?

Yes. It’s free, confidential, and stores no personal data unless you choose to share your name and number to get doctor advice.

Gynoveda can help you find the nearest clinic

Improve your health with Gynoveda’s Ayurvedic Solutions