Understanding your body is one of the most useful things you can do for your health — whether you’re planning a pregnancy, avoiding one, tracking a cycle, checking in on hormone health, or simply getting to know your own patterns. The tools below use the same methods doctors, urologists, and fertility apps rely on: cycle-based date estimation, Naegele’s rule for due dates, standard symptom-screening approaches, and simple training intervals.
These calculators give estimates based on averages and general screening methods. Every body is different, and factors like stress, travel, illness, age, and hormonal changes can shift these numbers. They’re a helpful starting point, not a replacement for a doctor, gynecologist, or urologist.
🌸 Ovulation
📆 Cycle Tracker
👶 Due Date
💪 Kegel Timer
💬 Wellness Check-In
🧔 Testosterone Quiz
🧬 Male Fertility Window
Ovulation Calculator
Estimate your fertile window and most likely ovulation day based on your last period and average cycle length.
Please enter the date of your last period.
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Estimated ovulation day
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Fertile window
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Next period expected
How this works: Ovulation typically occurs around 14 days before your next period starts, regardless of how long your overall cycle is. Your fertile window includes the 5 days before ovulation and the day of ovulation itself, since sperm can survive in the body for several days while the egg is viable for about 24 hours after release.
Menstrual Cycle Calculator
Predict your next few periods based on your average cycle length.
Please enter the date of your last period.
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Next period
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Following period
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Period after that
Why cycle length matters: A “normal” cycle can range anywhere from 21 to 35 days — there’s no single right number. Tracking your own average over a few months gives you a far more accurate prediction than assuming a flat 28 days, which is really just a population average.
Pregnancy Due Date Calculator
Estimate your due date using either your last period or your conception date.
Please enter a date.
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Estimated due date
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Current week
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Trimester
How this works: This uses Naegele’s Rule, the standard method used by clinicians: adding 280 days (40 weeks) to the first day of your last period, or 266 days to a known conception date. Only about 5% of babies actually arrive on their exact due date — think of this as the center of a normal range, not a guarantee.
Kegel / Pelvic Floor Exercise Timer
A simple guided timer to help you contract and relax your pelvic floor muscles with consistent timing.
Ready
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Why this matters: Pelvic floor exercises support bladder control, core stability, and sexual wellness for people of any gender. A common beginner pattern is 5 seconds contracted, 5 seconds relaxed, repeated 10 times, a few sets per day — but always check with a pelvic floor physical therapist if you have pain or specific concerns.
Sexual Wellness Check-In
A short, private reflection on communication and connection — not a diagnosis, just a starting point for self-awareness or a conversation with a partner.
1. How comfortable do you feel talking openly with your partner about your needs?
Not very
Somewhat
Very comfortable
2. How would you describe your stress levels lately?
High / overwhelmed
Moderate
Low / manageable
3. Do you feel you get enough rest and downtime?
Rarely
Sometimes
Usually
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This check-in offers general, educational reflection only. It isn’t a medical or psychological assessment. If you have ongoing concerns, a doctor, gynecologist, or licensed therapist can offer guidance suited to you.
Testosterone Symptom Check
A quick, private symptom screen based on the kind of questions used in standard low-testosterone screening tools. This is not a lab test or diagnosis.
1. Has your interest in sex decreased?
Yes
No
2. Do you have noticeably less energy than you used to?
Yes
No
3. Have you lost strength or endurance?
Yes
No
4. Are your erections noticeably less firm than before?
Yes
No
5. Do you feel sad, low, or more irritable than usual?
Yes
No
6. Has your ability to build or keep muscle declined recently?
Yes
No
7. Do you fall asleep easily right after dinner or feel drowsy in the early evening?
Yes
No
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How this works: This follows the same general approach as widely-used clinical screening questionnaires for low testosterone: a “yes” on the sex-drive or erection-strength questions, or three or more “yes” answers overall, is generally considered worth discussing with a doctor. This tool does not measure hormone levels — only a blood test can do that.
Male Fertility Window Calculator
Trying to conceive works best as a team effort. Enter your partner’s cycle details to find the best days to try, plus general tips that support sperm health.
Please enter your partner’s last period date.
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Best days to try
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Peak fertility day
Supporting sperm health: Since sperm take about 2–3 months to fully develop, lifestyle habits in that window matter. Common, doctor-backed suggestions include avoiding excess heat to the testicles (hot tubs, laptops on the lap), moderating alcohol, not smoking, maintaining a healthy weight, and getting enough sleep, zinc, and folate. If you’ve been trying for over a year (or 6 months if the partner is over 35) without success, a fertility specialist can help identify next steps for either partner.
