Topic
Reproductive & Menstrual Health
Understanding your menstrual cycle and reproductive health helps you recognize what's typical for your body and when to seek care. This section explains cycles, common conditions, and fertility in clear, practical terms.
How to think about reproductive & menstrual health
Your menstrual cycle is more than a monthly period — it's a recurring signal about your overall health. Each cycle reflects a coordinated rhythm of hormones, and learning what's typical for you makes it easier to notice when something shifts. There's no single "normal," but there are well-established ranges, and understanding them helps you tell ordinary variation from a change worth discussing with a clinician.
A good starting point is the cycle itself: how a normal menstrual cycle length is defined, how long a period usually lasts, and what counts as an irregular period and what can cause it. If your period is unexpectedly delayed, our guide to why a period might be late walks through the common, often benign explanations alongside the ones that warrant a check-up.
Cycles also tell you about fertility. Learn how ovulation and the fertile window work, the physical signs of ovulation some people notice, and practical ways to track your menstrual cycle — useful whether you're trying to conceive, avoid pregnancy, or simply understand your body.
When periods bring discomfort or unexpected bleeding, knowing the landscape helps. We cover evidence-based period pain relief, what spotting between periods can mean, and the causes of heavy periods that may need medical attention. On the emotional side, we explain the difference between PMS and PMDD.
Finally, some conditions deserve dedicated, plain-language explanations. Start with the basics of PCOS and the basics of endometriosis — two common reasons for irregular, painful, or heavy cycles.
Use the guides below to explore each topic in depth. They offer general education, not personal medical advice. If a symptom is new, severe, or persistent, please consult a qualified healthcare provider who can evaluate your individual situation.
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Articles in this topic
Why Is My Period Late? Common Causes
A late period is most often caused by pregnancy, stress, weight changes, or hormonal shifts. Here are the most common reasons and when to check with a clinician.
5 min read
Spotting Between Periods: What It Means
Light bleeding outside your normal period is called spotting. Here are the most common reasons it happens and the signs that mean you should see a healthcare provider.
4 min read
PMS vs PMDD: What Is the Difference?
PMS and PMDD share many premenstrual symptoms, but PMDD is a severe, diagnosable mood disorder. Learn how they differ and when to seek help.
5 min read
Period Pain: Causes and Relief
What causes period pain, the evidence-based ways to ease menstrual cramps at home, and the warning signs that mean it is time to see a healthcare provider.
5 min read
PCOS: Symptoms, Causes & Management
A clear, clinical guide to PCOS symptoms, causes, diagnosis and management, with strong guidance on when to see a healthcare provider.
4 min read
Signs and Symptoms of Ovulation
A clear guide to the most common signs of ovulation, including cervical mucus changes, a basal body temperature shift, and mild pelvic pain.
5 min read
Ovulation and Your Fertile Window Explained
A clear, clinical guide to ovulation and the fertile window, including how to find the days you are most likely to conceive each cycle.
4 min read
What Is a Normal Menstrual Cycle?
A normal menstrual cycle runs 21 to 35 days, with 2 to 7 days of bleeding. Here's what's typical, how cycles shift with age, and when changes are worth checking.
4 min read
Irregular Periods: Causes and When to Worry
Irregular periods can stem from stress, weight changes, hormonal contraception, PCOS, or thyroid problems. Here is how to tell what is normal and when to seek care.
5 min read
How to Track Your Menstrual Cycle
A clear, step-by-step guide to tracking your menstrual cycle, from counting cycle days to logging symptoms and knowing what's normal for you.
5 min read
How Long Does a Period Last?
Most periods last 2 to 7 days, with around 5 days being typical. Here is what is normal, what changes period length, and when bleeding warrants a check-up.
4 min read
Heavy Periods: Causes and Treatment
Heavy periods (menorrhagia) can stem from fibroids, hormone imbalances, or bleeding disorders. Here are the common causes, symptoms, and treatment options.
5 min read
Endometriosis: Symptoms and Diagnosis
A clear, evidence-based guide to endometriosis symptoms, how the condition is diagnosed, and when to talk to a healthcare provider.
4 min read
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