Predict Your Next 6 Cycles with Confidence
Enter your last period date and cycle rhythm. Receive clinically backed dates for upcoming bleeding windows, peak ovulation days, and high-fertility phases in seconds.
Cycle Calculator
Your Cycle Forecast & Fertile Window
Cycle Phase Wheel
Active Cycle
Nov 07, 2026
Predicted duration: 5 days of menstrual flow
Nov 21, 2026
Highest chance of conception within this 24-hour egg release
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Nov 16 – Nov 22, 2026
Optimal time for natural conception or natural family planning
Six-Month Menstrual Timeline
Forecast based on your selected 28-day rhythmA Guide by Pristyn Care Gynecologists
Menstruation is more than just bleeding. Discover the hormonal symphony orchestrating each phase of your reproductive health.
Menstrual Phase
Estrogen and progesterone drop drastically. The uterine lining (endometrium) sheds as menstrual flow.
Uterine Shedding
Follicular Phase
Follicle-Stimulating Hormone (FSH) encourages ovarian follicles to mature. Estrogen surges, thickening the uterine lining.
Rising Energy & Estrogen
Ovulation Phase
A sudden surge in Luteinizing Hormone (LH) prompts the dominant follicle to release a mature egg into the fallopian tube.
Peak Fertility (24–48h)
Luteal Phase
The ruptured follicle turns into the corpus luteum, generating progesterone. If pregnancy does not occur, hormone levels fall.
Progesterone & Rest
What Actually Happens During Your Cycle
Clear, medically accurate insights on endometrial development, ovulation mechanics, and hormonal balance without confusing jargon.
The 28-Day Biological Symphony & Variance
A typical cycle averages 28 days, but healthy regular cycles naturally vary between 21 and 35 days. Clinically, a cycle is considered regular as long as the longest and shortest cycles vary by less than 8 days.
Uterine Lining & Ovulation Mechanics
Each cycle, the uterine lining (endometrium) thickens to prepare for potential pregnancy. Ovulation occurs when a mature egg is released from the ovaries. Peak conception viability spans ~5 days prior to ovulation through 1-2 days after.
Menstruation: Biological Shedding & Lifespan Arc
Menstruation begins between ages 12–15 (menarche) and continues up until menopause (average age 52). Bleeding and mucosal discharge typically lasts between 2 and 7 days. If the egg remains unfertilized, the lining sheds and the cycle resets.
Clinical Red Flags vs Normal Fluidity
Menstrual health is an intricate internal compass. Understand the exact clinical criteria when you should consult an OB/GYN specialist.
Normal Physiological Variations
Benign hormonal responses to daily rhythms- Cycle shifts of 1 to 3 days due to temporary stress, travel, or sleep changes
- Bleeding lasting between 2 and 7 days with moderate flow volume (30–80ml)
- Mild cramping or breast tenderness during luteal or early follicular phase
- Egg-white, stretchy cervical mucus during ovulation peak
Self-care, rest, and lifestyle tracking are sufficient.
Signs That Require Evaluation
Clinical triggers for OB/GYN intervention- Cycle variance exceeding 8 days across consecutive cycles (Oligomenorrhea)
- Bleeding soaking through a pad or tampon every 1–2 hours (Menorrhagia)
- Heavy mid-cycle spotting or bleeding after intercourse
- Severe pelvic pain, debilitating dysmenorrhea, or nausea during menses
- Absence of periods for >60 days without pregnancy
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Frequently Asked Questions
Everything you need to know about care and recovery.
What does Pristyn Care do?
Pristyn Care is a leading surgical healthcare provider offering advanced elective surgical treatments for various medical conditions through a network of expert surgeons and state-of-the-art facilities.
How can I book an appointment with Pristyn Care?
You can book an appointment through the Pristyn Care website, or by calling the numbers mentioned on respective treatment pages.
Are the treatments at Pristyn Care covered by insurance?
Yes, most treatments offered by Pristyn Care are covered by major insurance providers. The team assists patients with the insurance claim process.
Does Pristyn Care provide post-surgery care?
Yes, Pristyn Care provides comprehensive post-surgery care, including follow-up consultations and support to ensure a smooth recovery.
What makes Pristyn Care different from other healthcare providers?
Pristyn Care stands out due to its patient-centric approach, advanced surgical techniques, seamless insurance support, and extensive post-operative care.
What services does Pristyn Care offer?
Pristyn Care specializes in minimally invasive surgical procedures for proctology, urology, ENT, gynecology, vascular diseases, and more.
Where are Pristyn Care clinics located?
Pristyn Care has clinics in more than 45 cities across India, including metropolitan cities such as Delhi, Mumbai, Bangalore, Chennai, Hyderabad, and several Tier-2 and Tier-3 cities, viz, Jaipur, Raipur, Lucknow, Pune, Chandigarh, Bhubaneswar, and many more.
What are the qualifications of Pristyn Care's surgeons?
Pristyn Care’s surgeons are highly qualified, experienced, and certified in their respective fields. They are experts in performing minimally invasive surgeries.
Can I get a second opinion from Pristyn Care?
Yes, Pristyn Care offers the option to get a second opinion from their expert surgeons to help patients make informed decisions about their treatment.
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