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Menstrual Cycle

Evidence-based answers to the most common questions about periods, cycle phases, fertility, and hormonal health.

Da li je normalno da mi menstruacija ne dođe?

Propuštena ili kašnjava menstruacija ima mnogo mogućih uzroka osim trudnoće — uključujući stres, promene težine, prekomerno vežbanje, poremećaje štitne žlezde i PCOS. Menstruacija se smatra kašnjenjem ako je 5 ili više dana nakon očekivanog datuma. Ako ste propustili 3 ili više ciklusa i niste trudni, obratite se svom lekaru.

7 questions answered · Updated 2026-02-16

Krvni ugrušci tokom menstruacije — Kada se zabrinuti

Mali krvni ugrušci (manji od novčića) tokom menstruacije su normalni, posebno tokom jakih dana. Oni se formiraju kada se krv nakuplja u materici pre nego što bude izbačena. Dosledno veliki ugrušci, koji natapaju uloške svake sat vremena, ili menstruacije koje traju duže od 7 dana zahtevaju posetu lekaru.

6 questions answered · Updated 2026-02-16

Vaš ciklus ima 4 faze i pratite samo 1

Vaš menstrualni ciklus ima četiri različite faze — menstrualnu, folikularnu, ovulaciju i lutealnu — svaka vođena različitim hormonima koji utiču na sve, od energije do raspoloženja. Praćenje svih četiri faze, a ne samo vašeg ciklusa, daje vam potpunu sliku vašeg zdravlja i omogućava vam da radite sa svojim telom umesto protiv njega.

6 questions answered · Updated 2026-02-16

PMS ili PMDD? Evo kako da prepoznate razliku

PMS pogađa do 75% menstruacijskih žena i uključuje upravljivo nadimanje, promene raspoloženja i umor pre menstruacije. PMDD pogađa 3–8% žena i uzrokuje tešku depresiju, bes ili beznađe tokom lutealne faze koja značajno ometa svakodnevni život — i zahteva medicinski tretman.

6 questions answered · Updated 2026-02-16

Da li zaista možete zatrudneti tokom menstruacije?

Možete zatrudneti od seksa tokom menstruacije, posebno ako imate kraći ciklus (21–24 dana) jer ovulacija može nastupiti ubrzo nakon što krvarenje prestane, a spermatozoidi mogu preživeti do 5 dana unutar reproduktivnog trakta. Jedini zaista "sigurni" dani zahtevaće precizno praćenje ovulacije — samo matematički proračun kalendara nije pouzdan.

6 questions answered · Updated 2026-02-16

Da li je bol tokom menstruacije normalan? Kada grčevi prelaze granicu

Blagi do umereni menstrualni grčevi su normalni i uzrokovani su prostaglandinima koji pomažu materici da odbaci svoj sloj. Ali bol koji ometa vaš svakodnevni život, ne reaguje na OTC analgetike, ili se vremenom pogoršava nije nešto što biste trebali ignorisati — to može ukazivati na endometriozu, fibroide ili drugo stanje koje zaslužuje medicinsku pažnju.

7 questions answered · Updated 2026-02-16

Nadutost tokom menstruacije, promene u varenju i zadržavanje vode

Hormonalne promene tokom vašeg ciklusa direktno utiču na vašu crevnu floru. Prostaglandini izazivaju dijareju i grčeve, progesteron usporava varenje i izaziva zatvor i nadutost, a fluktuacije estrogena uzrokuju zadržavanje vode. Ovi simptomi su uobičajeni, ali se mogu kontrolisati prilagođavanjem ishrane, hidratacijom i strategijama vremena.

6 questions answered · Updated 2026-02-16

PCOS Kompletan Vodič — Simptomi, Dijagnoza i Upravljanje

PCOS pogađa 1 od 10 žena reproduktivnog uzrasta i vodeći je uzrok neredovnih menstruacija i anovulatorne neplodnosti. Dijagnoza zahteva ispunjavanje 2 od 3 kriterijuma (neredovni ciklusi, višak androgena, policistični jajnici). Iako ne postoji lek, PCOS se može uspešno upravljati promenama u načinu života, lekovima i kontinuiranim praćenjem.

7 questions answered · Updated 2026-02-16

Endometrioza — Simptomi, Svakodnevno Upravljanje i Opcije Lečenja

Endometrioza se javlja kada tkivo slično sluzokoži materice raste izvan materice, uzrokujući hroničnu upalu, bol i ponekad neplodnost. Pogađa otprilike 1 od 10 žena, ali prosek dijagnostikovanja traje 7–10 godina. Lečenje se kreće od hormonskog upravljanja i strategija za ublažavanje bola do hirurgije, a pravi pristup zavisi od vaših simptoma i ciljeva.

6 questions answered · Updated 2026-02-16

Fibroidi i Adenomioza — Objašnjenje teških menstruacija

Fibroidi su nekancerozni izrasline materice koje pogađaju do 80% žena do 50. godine, dok se adenomioza javlja kada endometrijsko tkivo raste u mišićni zid materice. Obe uzrokuju teške menstruacije, bol i simptome pritiska. Lečenje varira od medikamenata i minimalno invazivnih procedura do hirurgije, u zavisnosti od težine simptoma i ciljeva plodnosti.

6 questions answered · Updated 2026-02-16

Ciste na jajnicima i zdravlje karlice

Većina cista na jajnicima su funkcionalne, prirodno se formiraju tokom ovulacije i rešavaju se same u roku od 1–3 meseca. Međutim, postojane, velike ili kompleksne ciste mogu zahtevati praćenje ili lečenje. Upala karlice (PID) i polno prenosive infekcije (STI) takođe mogu uticati na zdravlje karlice i plodnost — rana dijagnoza i lečenje su ključni.

6 questions answered · Updated 2026-02-16

Fertilitetska sposobnost, ovulacija i vaš plodni prozor — Potpuni vodič

Vaš plodni prozor traje otprilike 6 dana u svakom ciklusu — 5 dana pre ovulacije i dan ovulacije. Praćenje ovulacije putem cervikalne sluzi, BBT i LH testova daje vam najbolje šanse za začeće (ili izbegavanje trudnoće). Razumevanje plodnih signala vašeg tela stavlja vas u kontrolu nad vašim reproduktivnim vremenom.

6 questions answered · Updated 2026-02-16

Kontrola rađanja i vaš ciklus — Potpuni vodič

Metode kontrole rađanja utiču na vaš ciklus na različite načine — od potpunog eliminisanja menstruacija do potpunog nedostatka hormonalnog uticaja. Razumevanje kako svaka metoda funkcioniše pomaže vam da donesete informisanu odluku koja se usklađuje sa vašim zdravstvenim potrebama, stilom života i reproduktivnim ciljevima. Nema jedne metode koja je najbolja za sve.

6 questions answered · Updated 2026-02-16

Samooprema tokom menstruacije — Vežbe, San, Dodaci i Olakšanje Bolova

Samooprema tokom menstruacije nije o izdržavanju ili zatvaranju — radi se o radu sa potrebama vašeg tela. Blage vežbe, prioritetan san, dodaci zasnovani na dokazima poput magnezijuma i omega-3 masnih kiselina, i strateško vreme za olakšanje bolova mogu značajno smanjiti nelagodnost i pomoći vam da održite kvalitet života tokom vašeg ciklusa.

6 questions answered · Updated 2026-02-16

Polno zdravlje i vaš menstrualni ciklus

Vaš menstrualni ciklus stvara predvidljive fluktuacije u libidu, uzbuđenju, vaginalnoj lubrikaciji i udobnosti tokom seksa — sve to vođeno nivoima estrogena, progesterona i testosterona. Razumevanje ovih obrazaca pomaže vam da radite sa svojim telom, komunicirate sa svojim partnerom i znate kada promene signaliziraju nešto što vredi istražiti.

6 questions answered · Updated 2026-02-16

Crvene zastavice menstruacije — Kada posetiti lekara i kada ići na hitnu pomoć

Većina menstrualnih simptoma je pod kontrolom, ali određeni znaci zahtevaju medicinsku pažnju — a neki zahtevaju hitnu pomoć. Poznavanje razlike između "pozovite svog lekara u ponedeljak" i "idite na hitnu pomoć odmah" može vam spasiti život. Verujte svojim instinktima: ako nešto izgleda značajno pogrešno, uvek je bolje da se proceni i umirite nego da čekate.

7 questions answered · Updated 2026-02-16

Emergency Contraception — How It Works, When It Works, and What to Expect

Emergency contraception prevents pregnancy after unprotected sex or contraceptive failure. Plan B (levonorgestrel) works best within 72 hours, ella (ulipristal acetate) remains effective up to 120 hours, and the copper IUD is the most effective option when inserted within 5 days. None of these methods cause abortion — they work by delaying or preventing ovulation. Emergency contraception does not affect future fertility.

7 questions answered · Updated 2026-02-23

Vaginal Symptoms — Discharge, Itching, Odor, and When to See a Doctor

Vaginal discharge is normal and changes throughout your cycle — clear, white, or slightly yellow discharge that varies in consistency is healthy. Symptoms like green or gray discharge, fishy odor, cottage-cheese texture, persistent itching, or pain during sex can signal infections like BV, yeast infections, or STIs. Many vaginal issues are treatable at home or with a short course of medication, but recurring symptoms, unusual bleeding, or pelvic pain warrant a doctor's visit.

7 questions answered · Updated 2026-02-23

Birth Control Myths — Does It Cause Infertility? The Evidence

Most widespread fears about birth control are not supported by evidence. Hormonal contraception does not cause infertility — fertility returns promptly after discontinuation for all methods except Depo-Provera (which has a temporary delay). Weight gain is minimal for most methods, cancer risk is a trade-off (slight breast cancer increase offset by significant ovarian and endometrial cancer protection), and there is no medical reason to take periodic breaks from birth control.

7 questions answered · Updated 2026-02-23

STI Screening — What Tests to Get, When, and What Results Mean

Regular STI screening is a routine part of reproductive healthcare, not a judgment on your choices. The CDC recommends annual chlamydia and gonorrhea screening for all sexually active women under 25, and HIV screening at least once for everyone. Many STIs are completely asymptomatic, so you can't rely on symptoms alone. Most STIs are curable or manageable with treatment, and early detection prevents complications like pelvic inflammatory disease and infertility.

7 questions answered · Updated 2026-02-23

Are Period Tracker Apps Safe? What the Record Shows

Period tracking itself is safe and useful — the risk lives in an app's architecture. Every major documented incident (Flo, Premom, Glow) involved data leaving the phone: shared through third-party SDKs or exposed from servers. HIPAA does not cover consumer period apps, so the protection you get is the protection the app's design gives you. Apps that keep data on-device, require no account, and embed no ad or analytics trackers remove the risk class entirely.

6 questions answered · Updated 2026-08-01

How Accurate Are Period Tracker Apps? The Evidence

Peer-reviewed studies find period apps predict well for people with very regular cycles and poorly for everyone else. One 2018 study of 949 women found calendar-based apps identified the actual ovulation day no more than 21% of the time, and large-scale cycle data shows only about 13% of cycles match the "textbook" 28 days. Predictions from past dates alone cannot pinpoint ovulation — that takes a physiological signal like temperature or LH tests. Apps remain excellent for spotting patterns and preparing for your period; treat exact dates as estimates.

6 questions answered · Updated 2026-08-01

The Flo Period Tracker Lawsuit, Explained

Flo was accused of sharing users' menstrual and pregnancy data with Facebook, Google, and analytics firms between 2016 and 2019 through embedded SDKs. Flo settled with the FTC in 2021 (no fine, no admission of wrongdoing). The related class action settled in 2025: Google paid $48M, Flo $8M, and Flurry $3.5M — $59.5M total — while a jury separately found Meta liable under California's wiretapping law, with damages still being litigated. US users from the 2016–2019 window can file claims at PeriodTrackerDataPrivacyLitigation.com until October 15, 2026. Flo denies all wrongdoing.

6 questions answered · Updated 2026-08-01

Video answers

Watch: your questions, answered

Short, evidence-based explainers from our own library — about two minutes each. Nothing loads from YouTube until you press play.

Blood Clots in Period: Is It Normal?

How to Relieve Period Cramps Fast

Why Do I Bloat Before My Period?

What Is PMDD, and Do I Have It?

Why Am I So Emotional Before My Period?

Is It BV or a Yeast Infection? How to Tell

What Is Endometriosis, and How Do I Know?

What Is PCOS, in Simple Terms?

Do I Have PCOS? The Signs to Know

What Does the Color of Period Blood Mean?

Why Is My Period So Heavy?

Is Brown Discharge Normal?

Why Is My Period Late?

Can I Get Pregnant From Precum?

I Missed a Birth Control Pill — What Now?

Can I Get Pregnant If He Pulls Out?

Can I Get Pregnant Right After My Period?

When Am I Most Fertile? The 6-Day Window Explained

How Do I Know When I'm Ovulating? The 4 Real Signs

How Many Days After My Period Do I Ovulate?

What Does Ovulation Discharge Look Like?

How Long Does It Take to Get Pregnant?

Can I Get Pregnant With Irregular Periods?

How to Get Pregnant Faster

Best Time to Have Sex to Get Pregnant

How Do I Track My Cycle After Pregnancy?

What Is a Fibroid, and Is It Serious?

Why Is Endometriosis So Painful?

PCOS vs Endometriosis: What's the Difference?

Can You Get Pregnant With PCOS?

Can Antibiotics Make Birth Control Not Work?

How Long After Stopping the Pill Can I Get Pregnant?

Does Plan B Work If I Already Ovulated?

Does the Pill Stop Ovulation?

Can Stress Delay Ovulation?

Can I Ovulate Twice in One Cycle?

Do I Ovulate Every Month?

How Long Does the Egg Live After Ovulation?

Does the Pill Make You Gain Weight?

What Is Adenomyosis?

Is It Normal to Have No Period on the Pill?

How Long Until Birth Control Starts Working?

How Does Basal Body Temperature Tracking Work?

What Causes Spotting Between Periods?

PMDD vs PMS: What's the Difference?

Can You Have PCOS With Regular Periods?

Can You Ovulate Without Having a Period?

Why Did I Get My Period Twice in One Month?

Can You Get Pregnant on Birth Control?

What Is a Short Luteal Phase (And Does It Matter)?

Why Is My Period Early?

Are Period Clots Normal?

Can You Get Pregnant With Endometriosis?

What Causes Irregular Periods?

Can Plan B Delay Your Period?

Signs of Endometriosis You Shouldn't Ignore

Is a 28-Day Cycle Normal? (What's Actually Normal)

Can I Get Pregnant on My Period?

Can You Feel Yourself Ovulate?

Does Cervical Mucus Tell Me I'm Fertile?

How Accurate Are Ovulation Tests?

What Is the Fertile Window, Exactly?

How Many Days After My Period Can I Conceive?

When Should I Worry I Can't Get Pregnant?

Does Age Affect How Fast You Get Pregnant?

How Often Should We Have Sex to Get Pregnant?

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